diff options
author | Guenter Roeck <linux@roeck-us.net> | 2021-05-25 14:29:04 +0300 |
---|---|---|
committer | Rob Clark <robdclark@chromium.org> | 2021-06-23 17:33:53 +0300 |
commit | 9389a0e7b17c7d781ef77003138f0c82f5a0aa4c (patch) | |
tree | 4edf750316d3b3176f68fd4c4db0202548622e31 /drivers/gpu/drm/msm | |
parent | 5ed7944dfa508cce927870fecf370bad778b7910 (diff) | |
download | linux-9389a0e7b17c7d781ef77003138f0c82f5a0aa4c.tar.xz |
drm/msm/dpu: Drop unnecessary NULL checks after container_of in dpu_encoder
The result of container_of() operations is never NULL unless the embedded
element is the first element of the structure. This is not the case here.
The NULL checks on the result of container_of() are therefore unnecessary
and misleading. Remove them.
This change was made automatically with the following Coccinelle script.
@@
type t;
identifier v;
statement s;
@@
<+...
(
t v = container_of(...);
|
v = container_of(...);
)
...
when != v
- if (\( !v \| v == NULL \) ) s
...+>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210525112904.1747066-1-linux@roeck-us.net
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
[DB: fixed patch subject]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 7f06238a7c64..1c04b7cce43e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1429,11 +1429,6 @@ static void dpu_encoder_off_work(struct work_struct *work) struct dpu_encoder_virt *dpu_enc = container_of(work, struct dpu_encoder_virt, delayed_off_work.work); - if (!dpu_enc) { - DPU_ERROR("invalid dpu encoder\n"); - return; - } - dpu_encoder_resource_control(&dpu_enc->base, DPU_ENC_RC_EVENT_ENTER_IDLE); @@ -1777,11 +1772,6 @@ static void dpu_encoder_vsync_event_work_handler(struct kthread_work *work) struct dpu_encoder_virt, vsync_event_work); ktime_t wakeup_time; - if (!dpu_enc) { - DPU_ERROR("invalid dpu encoder\n"); - return; - } - if (dpu_encoder_vsync_time(&dpu_enc->base, &wakeup_time)) return; |