diff options
| author | Javi Merino <javi.merino@arm.com> | 2015-03-20 18:20:13 +0000 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-09-08 09:26:47 -0700 |
| commit | 953a923206afcb08ae25b3c41f77a527ce695bad (patch) | |
| tree | e3a2efdb3205befd4c9e1cb0d1c2801f7761d5c9 | |
| parent | eac549eccc610e278ed9abcef83a0daa7489e450 (diff) | |
thermal: cpu_cooling: Check memory allocation of power_table
We allocate the power_table in memory but we don't test whether the
allocation succeeded. Return -ENOMEM if kcalloc() fails.
Fixes: e0128d8ab423 ("thermal: cpu_cooling: implement the power cooling device API")
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
(cherry picked from commit 0cdf97e1ad8d796313de051528f06c1b16f3a679)
Signed-off-by: Kevin Hilman <khilman@linaro.org>
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 07a9629edf4b..6509c61b9648 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -289,6 +289,10 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, } power_table = kcalloc(num_opps, sizeof(*power_table), GFP_KERNEL); + if (!power_table) { + ret = -ENOMEM; + goto unlock; + } for (freq = 0, i = 0; opp = dev_pm_opp_find_freq_ceil(dev, &freq), !IS_ERR(opp); |