]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 70674c9) | patch
hwmon: (gpio-fan) Prevent overflow problem when writing large limits
authorAxel Lin <axel.lin@ingics.com>
Sat, 2 Aug 2014 05:36:38 +0000 (13:36 +0800)
committerGuenter Roeck <linux@roeck-us.net>
Mon, 4 Aug 2014 14:27:50 +0000 (07:27 -0700)
commit35d8ea93c2ff185578368952dd7777396ee07ead
treea4a81cb708b06dc65da7d38ffc3ff0a4050ef858tree | snapshot
parent70674c9571e37d6b1c217fe18879df0b57f73a44commit | diff
hwmon: (gpio-fan) Prevent overflow problem when writing large limits

On platforms with sizeof(int) < sizeof(unsigned long), writing a rpm value
larger than MAXINT will result in unpredictable limit values written to the
chip. Avoid auto-conversion from unsigned long to int to fix the problem.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/gpio-fan.c diff | blob | history
Linux Kernel Source Tree.