diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-30 17:04:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-30 17:04:56 -0800 |
commit | e4811a27842b4fa0d321d49de1b9d0534d05e455 (patch) | |
tree | 8b6bc171168d3e1d310686a2dc36bd82670b5fd9 | |
parent | bac22980b008ed810c56054d7f8bd73c02326b3f (diff) | |
parent | a32442d4f8b712b701ea577c841d6a0a7c5993c1 (diff) |
Merge tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- Fix regression with Nokia N900 display
- Fix crash on fbdev using freed __initdata logos
- Fix fb_deferred_io_fsync() return value.
* tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
OMAPDSS: SDI: fix output port_num
video/fbdev: fix defio's fsync
video/logo: prevent use of logos after they have been freed
OMAPDSS: pll: NULL dereference in error handling
OMAPDSS: HDMI: remove double initializer entries
-rw-r--r-- | drivers/video/fbdev/core/fb_defio.c | 5 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/hdmi_pll.c | 2 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/pll.c | 3 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/sdi.c | 2 | ||||
-rw-r--r-- | drivers/video/logo/logo.c | 17 |
5 files changed, 23 insertions, 6 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 900aa4ecd617..d6cab1fd9a47 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -83,9 +83,10 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy cancel_delayed_work_sync(&info->deferred_work); /* Run it immediately */ - err = schedule_delayed_work(&info->deferred_work, 0); + schedule_delayed_work(&info->deferred_work, 0); mutex_unlock(&inode->i_mutex); - return err; + + return 0; } EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); diff --git a/drivers/video/fbdev/omap2/dss/hdmi_pll.c b/drivers/video/fbdev/omap2/dss/hdmi_pll.c index 87accdb59c81..ac83ef5cfd7d 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi_pll.c +++ b/drivers/video/fbdev/omap2/dss/hdmi_pll.c @@ -132,7 +132,6 @@ static const struct dss_pll_hw dss_omap4_hdmi_pll_hw = { .mX_max = 127, .fint_min = 500000, .fint_max = 2500000, - .clkdco_max = 1800000000, .clkdco_min = 500000000, .clkdco_low = 1000000000, @@ -156,7 +155,6 @@ static const struct dss_pll_hw dss_omap5_hdmi_pll_hw = { .mX_max = 127, .fint_min = 620000, .fint_max = 2500000, - .clkdco_max = 1800000000, .clkdco_min = 750000000, .clkdco_low = 1500000000, diff --git a/drivers/video/fbdev/omap2/dss/pll.c b/drivers/video/fbdev/omap2/dss/pll.c index 50bc62c5d367..335ffac224b9 100644 --- a/drivers/video/fbdev/omap2/dss/pll.c +++ b/drivers/video/fbdev/omap2/dss/pll.c @@ -97,7 +97,8 @@ int dss_pll_enable(struct dss_pll *pll) return 0; err_enable: - regulator_disable(pll->regulator); + if (pll->regulator) + regulator_disable(pll->regulator); err_reg: clk_disable_unprepare(pll->clkin); return r; diff --git a/drivers/video/fbdev/omap2/dss/sdi.c b/drivers/video/fbdev/omap2/dss/sdi.c index d51a983075bc..5c2ccab5a958 100644 --- a/drivers/video/fbdev/omap2/dss/sdi.c +++ b/drivers/video/fbdev/omap2/dss/sdi.c @@ -342,6 +342,8 @@ static void sdi_init_output(struct platform_device *pdev) out->output_type = OMAP_DISPLAY_TYPE_SDI; out->name = "sdi.0"; out->dispc_channel = OMAP_DSS_CHANNEL_LCD; + /* We have SDI only on OMAP3, where it's on port 1 */ + out->port_num = 1; out->ops.sdi = &sdi_ops; out->owner = THIS_MODULE; diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c index 940cd196eef5..10fbfd8ab963 100644 --- a/drivers/video/logo/logo.c +++ b/drivers/video/logo/logo.c @@ -21,6 +21,21 @@ static bool nologo; module_param(nologo, bool, 0); MODULE_PARM_DESC(nologo, "Disables startup logo"); +/* + * Logos are located in the initdata, and will be freed in kernel_init. + * Use late_init to mark the logos as freed to prevent any further use. + */ + +static bool logos_freed; + +static int __init fb_logo_late_init(void) +{ + logos_freed = true; + return 0; +} + +late_initcall(fb_logo_late_init); + /* logo's are marked __initdata. Use __init_refok to tell * modpost that it is intended that this function uses data * marked __initdata. @@ -29,7 +44,7 @@ const struct linux_logo * __init_refok fb_find_logo(int depth) { const struct linux_logo *logo = NULL; - if (nologo) + if (nologo || logos_freed) return NULL; if (depth >= 1) { |