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2014-01-23test: check copy_to/from_user boundary validationKees Cook5-0/+138
To help avoid an architecture failing to correctly check kernel/user boundaries when handling copy_to_user, copy_from_user, put_user, or get_user, perform some simple tests and fail to load if any of them behave unexpectedly. Specifically, this is to make sure there is a way to notice if things like what was fixed in commit 8404663f81d2 ("ARM: 7527/1: uaccess: explicitly check __user pointer when !CPU_USE_DOMAINS") ever regresses again, for any architecture. Additionally, adds new "user" selftest target, which loads this module. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23test: add minimal module for verification testingKees Cook3-0/+48
This is a pair of test modules I'd like to see in the tree. Instead of putting these in lkdtm, where I've been adding various tests that trigger crashes, these don't make sense there since they need to be either distinctly separate, or their pass/fail state don't need to crash the machine. These live in lib/ for now, along with a few other in-kernel test modules, and use the slightly more common "test_" naming convention, instead of "test-". We should likely standardize on the former: $ find . -name 'test_*.c' | grep -v /tools/ | wc -l 4 $ find . -name 'test-*.c' | grep -v /tools/ | wc -l 2 The first is entirely a no-op module, designed to allow simple testing of the module loading and verification interface. It's useful to have a module that has no other uses or dependencies so it can be reliably used for just testing module loading and verification. The second is a module that exercises the user memory access functions, in an effort to make sure that we can quickly catch any regressions in boundary checking (e.g. like what was recently fixed on ARM). This patch (of 2): When doing module loading verification tests (for example, with module signing, or LSM hooks), it is very handy to have a module that can be built on all systems under test, isn't auto-loaded at boot, and has no device or similar dependencies. This creates the "test_module.ko" module for that purpose, which only reports its load and unload to printk. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23lib/cmdline.c: declare exported symbols immediatelyFelipe Contreras1-3/+2
WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable +EXPORT_SYMBOL(memparse); WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable +EXPORT_SYMBOL(get_option); WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable +EXPORT_SYMBOL(get_options); Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Cc: Levente Kurusa <levex@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23lib/cmdline.c: fix style issuesFelipe Contreras1-5/+4
WARNING: space prohibited between function name and open parenthesis '(' +int get_option (char **str, int *pint) WARNING: space prohibited between function name and open parenthesis '(' + *pint = simple_strtol (cur, str, 0); ERROR: trailing whitespace + $ WARNING: please, no spaces at the start of a line + $ WARNING: space prohibited between function name and open parenthesis '(' + res = get_option ((char **)&str, ints + i); Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23lib/kstrtox.c: remove redundant cleanupFelipe Contreras1-1/+0
We can't reach the cleanup code unless the flag KSTRTOX_OVERFLOW is not set, so there's not no point in clearing a bit that we know is not set. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Acked-by: Levente Kurusa <levex@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: lp8788: remove unnecessary parenthesesJingoo Han1-3/+3
Remove unnecessary parentheses in order to fix the following checkpatch error. ERROR: return is not a function, parentheses are not required Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: lp855x: remove unnecessary parenthesesJingoo Han1-1/+1
Remove unnecessary parentheses in order to fix the following checkpatch error. ERROR: return is not a function, parentheses are not required Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: kb3886_bl: fix incorrect placement of __initdata markerJingoo Han1-1/+1
The __initdata marker can be virtually anywhere on the line, EXCEPT right after "struct". The preferred location is before the "=" sign if there is one, or before the trailing ";" otherwise. It also fixes the following chechpatch warning. WARNING: __initdata should be placed after kb3886bl_device_table[] Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: tosa: use devm_lcd_device_register()Jingoo Han1-4/+2
Use devm_lcd_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: l4f00242t03: use devm_lcd_device_register()Jingoo Han1-4/+2
Use devm_lcd_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: jornada720: use devm_lcd_device_register()Jingoo Han1-11/+2
Use devm_lcd_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: tosa: use devm_backlight_device_register()Jingoo Han1-4/+3
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: ot200_bl: use devm_backlight_device_register()Jingoo Han1-6/+3
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: omap1: use devm_backlight_device_register()Jingoo Han1-12/+2
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: hp680_bl: use devm_backlight_device_register()Jingoo Han1-4/+2
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23backlight: jornada720: use devm_backlight_device_register()Jingoo Han1-12/+3
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23MAINTAINERS: remove unnecessary EXYNOS DP DRIVER F: patternJingoo Han1-1/+0
Remove unnecessary pattern for Exynos DP header from MAINTAINERS file. After commit f9b1e013f1c6 ("video: exynos_dp: remove non-DT support for Exynos Display Port"), 'exynos_dp.h' has not been used. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23MAINTAINERS: describe differences between F: and N: patternsJoe Perches1-0/+5
There is a difference in how scripts/get_maintainer.pl treats F: and N: file pattern matches. Describe those differences in the MAINTAINERS file. Signed-off-by: Joe Perches <joe@perches.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mark Brown <broonie@linaro.org> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23MAINTAINERS: add an entry for the Macintosh HFSPlus FilesystemGeert Uytterhoeven1-0/+6
To make scripts/get_maintainer.pl output something sensible. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23get_maintainer: add commit author information to --rolestatsJoe Perches1-6/+85
get_maintainer currently uses "Signed-off-by" style lines to find interested parties to send patches to when the MAINTAINERS file does not have a specific section entry with a matching file pattern. Add statistics for commit authors and lines added and deleted to the information provided by --rolestats. These statistics are also emitted whenever --rolestats and --git are selected even when there is a specified maintainer. This can have the effect of expanding the number of people that are shown as possible "maintainers" of a particular file because "authors", "added_lines", and "removed_lines" are also used as criterion for the --max-maintainers option separate from the "commit_signers". The first "--git-max-maintainers" values of each criterion are emitted. Any "ties" are not shown. For example: (forcedeth does not have a named maintainer) Old output: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/nvidia/forcedeth.c "David S. Miller" <davem@davemloft.net> (commit_signer:8/10=80%) Jiri Pirko <jiri@resnulli.us> (commit_signer:2/10=20%) Patrick McHardy <kaber@trash.net> (commit_signer:2/10=20%) Larry Finger <Larry.Finger@lwfinger.net> (commit_signer:1/10=10%) Peter Zijlstra <peterz@infradead.org> (commit_signer:1/10=10%) netdev@vger.kernel.org (open list:NETWORKING DRIVERS) linux-kernel@vger.kernel.org (open list) New output: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/nvidia/forcedeth.c "David S. Miller" <davem@davemloft.net> (commit_signer:8/10=80%) Jiri Pirko <jiri@resnulli.us> (commit_signer:2/10=20%,authored:2/10=20%,removed_lines:3/33=9%) Patrick McHardy <kaber@trash.net> (commit_signer:2/10=20%,authored:2/10=20%,added_lines:12/95=13%,removed_lines:10/33=30%) Larry Finger <Larry.Finger@lwfinger.net> (commit_signer:1/10=10%,authored:1/10=10%,added_lines:35/95=37%) Peter Zijlstra <peterz@infradead.org> (commit_signer:1/10=10%) "Peter Hüwe" <PeterHuewe@gmx.de> (authored:1/10=10%,removed_lines:15/33=45%) Joe Perches <joe@perches.com> (authored:1/10=10%) Neil Horman <nhorman@tuxdriver.com> (added_lines:40/95=42%) Bill Pemberton <wfp5p@virginia.edu> (removed_lines:3/33=9%) netdev@vger.kernel.org (open list:NETWORKING DRIVERS) linux-kernel@vger.kernel.org (open list) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23printk: flush conflicting continuation lineArun KS1-3/+6
An earlier newline was missing and current print is from different task. In this scenario flush the continuation line and store this line seperatly. This patch fix the below scenario of timestamp interleaving, [ 28.154370 ] read_word_reg : reg[0x 3], reg[0x 4] data [0x 642] [ 28.155428 ] uart disconnect [ 31.947341 ] dvfs[cpufreq.c<275>]:plug-in cpu<1> done [ 28.155445 ] UART detached : send switch state 201 [ 32.014112 ] read_reg : reg[0x 3] data[0x21] [akpm@linux-foundation.org: simplify and condense the code] Signed-off-by: Arun KS <getarunks@gmail.com> Signed-off-by: Arun KS <arun.ks@broadcom.com> Cc: Joe Perches <joe@perches.com> Cc: Tejun Heo <tj@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Kay Sievers <kay@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23vsprintf: add %pad extension for dma_addr_t useJoe Perches2-8/+36
dma_addr_t's can be either u32 or u64 depending on a CONFIG option. There are a few hundred dma_addr_t's printed via either cast to unsigned long long, unsigned long or no cast at all. Add %pad to be able to emit them without the cast. Update Documentation/printk-formats.txt too. Signed-off-by: Joe Perches <joe@perches.com> Cc: "Shevchenko, Andriy" <andriy.shevchenko@intel.com> Cc: Rob Landley <rob@landley.net> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23printk/cache: mark printk_once test variable __read_mostlyJoe Perches3-11/+13
Add #include <linux/cache.h> to define __read_mostly. Convert cache.h to use uapi/linux/kernel.h instead of linux/kernel.h to avoid recursive #includes. Convert the ALIGN macro to __ALIGN_KERNEL. printk_once only sets the bool variable tested once so mark it __read_mostly. Neaten the alignment so it matches the rest of the pr_<level>_once #defines too. Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23dynamic-debug-howto.txt: update since new wildcard supportDu, Changbin1-0/+9
Add the usage of using new feature wildcard support. Signed-off-by: Du, Changbin <changbin.du@gmail.com> Cc: Jason Baron <jbaron@akamai.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23dynamic_debug: add wildcard support to filter files/functions/modulesDu, Changbin1-5/+10
Add wildcard '*'(matches zero or more characters) and '?' (matches one character) support when qurying debug flags. Now we can open debug messages using keywords. eg: 1. open debug logs in all usb drivers echo "file drivers/usb/* +p" > <debugfs>/dynamic_debug/control 2. open debug logs for usb xhci code echo "file *xhci* +p" > <debugfs>/dynamic_debug/control Signed-off-by: Du, Changbin <changbin.du@gmail.com> Cc: Jason Baron <jbaron@akamai.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23lib/parser.c: put EXPORT_SYMBOLs in the conventional placeAndrew Morton1-7/+6
Cc: Du, Changbin <changbin.du@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23lib/parser.c: add match_wildcard() functionDu, Changbin2-0/+52
match_wildcard function is a simple implementation of wildcard matching algorithm. It only supports two usual wildcardes: '*' - matches zero or more characters '?' - matches one character This algorithm is safe since it is non-recursive. Signed-off-by: Du, Changbin <changbin.du@gmail.com> Cc: Jason Baron <jbaron@akamai.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23uapi: convert u64 to __u64 in exported headersMike Frysinger2-2/+2
The u64 type is not defined in any exported kernel headers, so trying to use it will lead to build failures. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23include/uapi/linux/dn.h: pull in ioctl.h headerMike Frysinger1-0/+1
This header uses _IOW/_IOR defines but doesn't include ioctl.h for it. If you try to use this w/out including ioctl.h yourself, it can fail to build, so add the explicit include. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23include/uapi/linux/ppp-ioctl.h: pull in ppp_defs.hMike Frysinger1-0/+1
This header uses enum NPmode but doesn't include ppp_defs.h. If you try to use this header w/out including the defs header first, it leads to a build failure. So add the explicit include to fix it. Don't know of any packages directly impacted, but noticed while building some ppp code by hand. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Paul Mackerras <paulus@samba.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23headers_check: special case seqbuf_dump()Paul Bolle1-1/+5
"make headers_check" warns about soundcard.h for (at least) five years now: [...]/usr/include/linux/soundcard.h:1054: userspace cannot reference function or variable defined in the kernel We're apparently stuck with providing OSSlib-3.8 compatibility, so let's special case this declaration just to silence it. Notes: 0) Support for OSSlib post 3.8 was already removed in commit 43a990765a ("sound: Remove OSSlib stuff from linux/soundcard.h"). Five years have passed since that commit: do people still care about OSSlib-3.8? If not, quite a bit of code could be remove from soundcard.h (and probably ultrasound.h). 2) By the way, what is actually meant by: It is no longer possible to actually link against OSSlib with this header, but we still provide these macros for programs using them. Doesn't that mean compatibility to OSSlib isn't even useful? 3) Anyhow, a previous discussion soundcard.h, which led to that commit, starts at https://lkml.org/lkml/2009/1/20/349 . 4) And, yes, I sneaked in a whitespace fix. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Cc: Takashi Iwai <tiwai@suse.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23drivers/vlynq/vlynq.c: fix another resource size off by 1 errorDan Carpenter1-1/+2
We fixed the call to request_mem_region() in commit 3354f73b24c6 ("drivers/vlynq/vlynq.c: fix resource size off by 1 error"). But we need to fix the call the release_mem_region() as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Florian Fainelli <florian@openwrt.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23drivers/video/aty/aty128fb.c: fix a warning pertaining to the aty128fb ↵David Howells1-0/+4
backlight variable Fix the following warning in the aty128fb driver: drivers/video/aty/aty128fb.c:363:12: warning: 'backlight' defined but not used [-Wunused-variable] static int backlight = 0; ^ as the variable's value is only read if CONFIG_FB_ATY128_BACKLIGHT=y. The variable is also set if MODULE is unset[*]. [*] I wonder if the conditional wrapper around aty128fb_setup() should be using CONFIG_MODULE rather than MODULE. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23drivers/mfd/tps65217.c: fix pointer-integer size mismatch warning in ↵David Howells1-1/+1
tps65217_probe() Fix up the following pointer-integer size mismatch warning in tps65217_probe(): drivers/mfd/tps65217.c: In function 'tps65217_probe': drivers/mfd/tps65217.c:173:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] chip_id = (unsigned int)match->data; ^ Signed-off-by: David Howells <dhowells@redhat.com> Cc: AnilKumar Ch <anilkumar@ti.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23drivers/mfd/max8998.c: fix pointer-integer size mismatch warning in ↵David Howells1-1/+1
max8998_i2c_get_driver_data() Fix up the following pointer-integer size mismatch warning in max8998_i2c_get_driver_data(): drivers/mfd/max8998.c: In function 'max8998_i2c_get_driver_data': drivers/mfd/max8998.c:178:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] return (int)match->data; ^ Signed-off-by: David Howells <dhowells@redhat.com> Cc: Tomasz Figa <t.figa@samsung.com> Cc: Mark Brown <broonie@linaro.org> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23drivers/gpu/drm/gma500/backlight.c: fix a defined-but-not-used warning for ↵David Howells1-2/+2
do_gma_backlight_set() Fix the following warning: drivers/gpu/drm/gma500/backlight.c:29:13: warning: 'do_gma_backlight_set' defined but not used [-Wunused-function] by moving the entire function inside the conditional section currently inside of it. All the places that call it are so conditionalised. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Alan Cox <alan@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23include/linux/of.h: make for_each_child_of_node() reference its args when ↵David Howells1-1/+6
CONFIG_OF=n Make for_each_child_of_node() reference its args when CONFIG_OF=n to avoid warnings like: drivers/leds/leds-pwm.c:88:22: warning: unused variable 'node' [-Wunused-variable] struct device_node *node = pdev->dev.of_node; ^ Signed-off-by: David Howells <dhowells@redhat.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23remove extra definitions of U32_MAXAlex Elder3-26/+0
Now that the definition is centralized in <linux/kernel.h>, the definitions of U32_MAX (and related) elsewhere in the kernel can be removed. Signed-off-by: Alex Elder <elder@linaro.org> Acked-by: Sage Weil <sage@inktank.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23kernel.h: define u8, s8, u32, etc. limitsAlex Elder1-0/+13
Create constants that define the maximum and minimum values representable by the kernel types u8, s8, u16, s16, and so on. Signed-off-by: Alex Elder <elder@linaro.org> Cc: Sage Weil <sage@inktank.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23conditionally define U32_MAXAlex Elder3-0/+6
The symbol U32_MAX is defined in several spots. Change these definitions to be conditional. This is in preparation for the next patch, which centralizes the definition in <linux/kernel.h>. Signed-off-by: Alex Elder <elder@linaro.org> Cc: Sage Weil <sage@inktank.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23um: use generic fixmap.hMark Salter1-39/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Richard Weinberger <richard@nod.at> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23tile: use generic fixmap.hMark Salter1-32/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23sh: use generic fixmap.hMark Salter1-37/+2
Signed-off-by: Mark Salter <msalter@redhat.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23powerpc: use generic fixmap.hMark Salter1-42/+2
Signed-off-by: Mark Salter <msalter@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23mips: use generic fixmap.hMark Salter1-32/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23microblaze: use generic fixmap.hMark Salter1-42/+2
Signed-off-by: Mark Salter <msalter@redhat.com> Tested-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23metag: use generic fixmap.hMark Salter1-31/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23hexagon: use generic fixmap.hMark Salter1-39/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23x86: use generic fixmap.hMark Salter1-58/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-23add generic fixmap.hMark Salter1-0/+97
Many architectures provide an asm/fixmap.h which defines support for compile-time 'special' virtual mappings which need to be made before paging_init() has run. This support is also used for early ioremap on x86. Much of this support is identical across the architectures. This patch consolidates all of the common bits into asm-generic/fixmap.h which is intended to be included from arch/*/include/asm/fixmap.h. Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Richard Weinberger <richard@nod.at> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jonas Bonn <jonas.bonn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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