| commit | a116776f7b6052599df0c67db29c30ea9d69d7ee | [log] [tgz] |
|---|---|---|
| author | Zhang Rui <rui.zhang@intel.com> | Thu Jan 02 11:57:48 2014 +0800 |
| committer | Zhang Rui <rui.zhang@intel.com> | Thu Jan 02 11:59:18 2014 +0800 |
| tree | e83cd1cb0bfc10282477e516b83b7ece706ba0e0 | |
| parent | 1c9573a40c1d34494419f32560f28c763c504d79 [diff] [blame] |
Thermal cpu cooling: return error if no valid cpu frequency entry Signed-off-by: Zhang Rui <rui.zhang@intel.com>
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index cc556a8..bb486b4 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c
@@ -173,6 +173,11 @@ 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--;