From: Wang Qing wangqing@vivo.com
adev should be assigned after a null check
Signed-off-by: Wang Qing wangqing@vivo.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 2c929fa..da114f7 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -259,12 +259,13 @@ static void amdgpu_ctx_fini_entity(struct amdgpu_ctx_entity *entity) static int amdgpu_ctx_get_stable_pstate(struct amdgpu_ctx *ctx, u32 *stable_pstate) { - struct amdgpu_device *adev = ctx->adev; + struct amdgpu_device *adev; enum amd_dpm_forced_level current_level;
if (!ctx) return -EINVAL;
+ adev = ctx->adev; current_level = amdgpu_dpm_get_performance_level(adev);
switch (current_level) { @@ -290,13 +291,14 @@ static int amdgpu_ctx_get_stable_pstate(struct amdgpu_ctx *ctx, static int amdgpu_ctx_set_stable_pstate(struct amdgpu_ctx *ctx, u32 stable_pstate) { - struct amdgpu_device *adev = ctx->adev; + struct amdgpu_device *adev; enum amd_dpm_forced_level level; int r;
if (!ctx) return -EINVAL;
+ adev = ctx->adev; mutex_lock(&adev->pm.stable_pstate_ctx_lock); if (adev->pm.stable_pstate_ctx && adev->pm.stable_pstate_ctx != ctx) { r = -EBUSY;