diff options
| author | Hareesh Gundu <hareeshg@codeaurora.org> | 2017-07-04 14:33:26 +0530 |
|---|---|---|
| committer | Hareesh Gundu <hareeshg@codeaurora.org> | 2017-07-04 14:34:10 +0530 |
| commit | 3b265177fc5dc7948f1bb40a7fa61ff53193c93a (patch) | |
| tree | b5243bea071a3d288c1b74ba42d066b0987c9a6e /drivers/gpu/msm/kgsl_pwrctrl.c | |
| parent | de207d8feb738027a70c5ee8b6bef3c37597b18c (diff) | |
msm: kgsl: Add a NULL check for limit pointer
KGSL power limit pointer can be error or NULL. Add a NULL
check for limit pointer to avoid NULL pointer dereference.
Change-Id: I4aacaddd1cd9b34f1befc21807eb7ab577f0a7f1
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>
Diffstat (limited to 'drivers/gpu/msm/kgsl_pwrctrl.c')
| -rw-r--r-- | drivers/gpu/msm/kgsl_pwrctrl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c index e42f92392e8d..63315e86d172 100644 --- a/drivers/gpu/msm/kgsl_pwrctrl.c +++ b/drivers/gpu/msm/kgsl_pwrctrl.c @@ -3097,7 +3097,7 @@ EXPORT_SYMBOL(kgsl_pwr_limits_add); void kgsl_pwr_limits_del(void *limit_ptr) { struct kgsl_pwr_limit *limit = limit_ptr; - if (IS_ERR(limit)) + if (IS_ERR_OR_NULL(limit)) return; _update_limits(limit, KGSL_PWR_DEL_LIMIT, 0); @@ -3118,7 +3118,7 @@ int kgsl_pwr_limits_set_freq(void *limit_ptr, unsigned int freq) struct kgsl_pwr_limit *limit = limit_ptr; int level; - if (IS_ERR(limit)) + if (IS_ERR_OR_NULL(limit)) return -EINVAL; pwr = &limit->device->pwrctrl; @@ -3140,7 +3140,7 @@ void kgsl_pwr_limits_set_default(void *limit_ptr) { struct kgsl_pwr_limit *limit = limit_ptr; - if (IS_ERR(limit)) + if (IS_ERR_OR_NULL(limit)) return; _update_limits(limit, KGSL_PWR_SET_LIMIT, 0); |