| Message ID | 1410818876-7195-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 73181be..814f7ee 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -173,7 +173,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data) return -ENODEV; } -static int rpm_to_speed_index(struct gpio_fan_data *fan_data, int rpm) +static int rpm_to_speed_index(struct gpio_fan_data *fan_data, unsigned long rpm) { struct gpio_fan_speed *speed = fan_data->speed; int i;
This is a note to let you know that I have just added a patch titled hwmon: (gpio-fan) Prevent overflow problem when writing large limits to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue This patch is scheduled to be released in version 3.13.11.7. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.13.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From b460f58dce775bcea22e861fbb34b0c48d0f30f6 Mon Sep 17 00:00:00 2001 From: Axel Lin <axel.lin@ingics.com> Date: Sat, 2 Aug 2014 13:36:38 +0800 Subject: hwmon: (gpio-fan) Prevent overflow problem when writing large limits commit 2565fb05d1e9fc0831f7b1c083bcfcb1cba1f020 upstream. 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> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/hwmon/gpio-fan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.9.1