diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2014-01-02 11:57:48 +0800 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2014-09-24 16:59:28 +0100 |
| commit | 0a5d1934d88b8797113fd5f6bb7c521d4f1fb11b (patch) | |
| tree | 6583aa942ec18221e7e8ee8e03763cdd21047f9c | |
| parent | 771423447242882445322faa62bdc9afb146415e (diff) | |
Thermal cpu cooling: return error if no valid cpu frequency entrylsk-3.10-armlt-juno-20140924
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
(cherry picked from commit a116776f7b6052599df0c67db29c30ea9d69d7ee)
Signed-off-by: Jon Medhurst <tixy@linaro.org>
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index b20b513c9e97..61e3afd16653 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -173,6 +173,11 @@ static int get_property(unsigned int cpu, unsigned long input, freq = table[i].frequency; max_level++; } + + /* No valid cpu frequency entry */ + if (max_level == 0) + return -EINVAL; + /* max_level is an index, not a counter */ max_level--; |