diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-06-16 19:31:39 +0300 |
|---|---|---|
| committer | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-06-17 12:51:45 +0200 |
| commit | da785a87787c97823d12107a4f0ec7adcc2a78d9 (patch) | |
| tree | 5992e8b09213522501e20441a944a14e04b1eb1c /drivers/firmware/raspberrypi.c | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
ARM: bcm2835: Fix integer overflow in rpi_firmware_print_firmware_revision()
time64_t is 64-bit width type, we are not supposed to supply lesser ones
as in the case of rpi_firmware_print_firmware_revision() after the commit
4a60f58ee002 ("ARM: bcm2835: Switch to use %ptT"). Use temporary variable
of time64_t type to correctly handle lesser types.
Fixes: 4a60f58ee002 ("ARM: bcm2835: Switch to use %ptT")
Reported-by: Stefan Wahren <wahrenst@gmx.net>
Reported-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Revieved-by: Petr Mladek <pmladek@suse.com>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Link: https://lore.kernel.org/r/20200616163139.4229-1-andriy.shevchenko@linux.intel.com
Diffstat (limited to 'drivers/firmware/raspberrypi.c')
| -rw-r--r-- | drivers/firmware/raspberrypi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index ef8098856a47..625c8fdceabf 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -181,6 +181,7 @@ EXPORT_SYMBOL_GPL(rpi_firmware_property); static void rpi_firmware_print_firmware_revision(struct rpi_firmware *fw) { + time64_t date_and_time; u32 packet; int ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_FIRMWARE_REVISION, @@ -189,7 +190,9 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw) if (ret) return; - dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &packet); + /* This is not compatible with y2038 */ + date_and_time = packet; + dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &date_and_time); } static void |