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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-05-17 11:52:02 +0000 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2013-05-28 10:04:22 +0800 |
| commit | 42a5bf507d7f7ecbf606eb392dd9d2e4d009c36b (patch) | |
| tree | 6c8fc95ce2004bdd0e0692110a09b4a023624893 /drivers/thermal | |
| parent | 3db46c939677e32e311d354b619fd552ceafd123 (diff) | |
| download | linux-42a5bf507d7f7ecbf606eb392dd9d2e4d009c36b.tar.bz2 | |
thermal: cut the spaces when user sets policy
Setting policy results in invalid value error.
% echo "step_wise" > policy
% echo: write error: Invalid argument
Need clean up of the buffer which "echo" may add based on the arguments, before
comparing aganist list of governor names.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Tested-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index d755440791b7..1067fb0107b9 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -33,6 +33,7 @@ #include <linux/idr.h> #include <linux/thermal.h> #include <linux/reboot.h> +#include <linux/string.h> #include <net/netlink.h> #include <net/genetlink.h> @@ -713,10 +714,13 @@ policy_store(struct device *dev, struct device_attribute *attr, int ret = -EINVAL; struct thermal_zone_device *tz = to_thermal_zone(dev); struct thermal_governor *gov; + char name[THERMAL_NAME_LENGTH]; + + snprintf(name, sizeof(name), "%s", buf); mutex_lock(&thermal_governor_lock); - gov = __find_governor(buf); + gov = __find_governor(strim(name)); if (!gov) goto exit; |