[PATCH next] drm/msm/dpu: Fix uninitialized variable in dpu_crtc_kickoff_clone_mode()

Dan Carpenter posted 1 patch 11 months, 1 week ago
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH next] drm/msm/dpu: Fix uninitialized variable in dpu_crtc_kickoff_clone_mode()
Posted by Dan Carpenter 11 months, 1 week ago
After the loop there is a check for whether "wb_encoder" has been set
to non-NULL, however it was never set to NULL.  Initialize it to NULL.

Fixes: ad06972d5365 ("drm/msm/dpu: Reorder encoder kickoff for CWB")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index b0a062d6fa3b..ff6f5c5303d4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -956,7 +956,7 @@ static int _dpu_crtc_wait_for_frame_done(struct drm_crtc *crtc)
 static int dpu_crtc_kickoff_clone_mode(struct drm_crtc *crtc)
 {
 	struct drm_encoder *encoder;
-	struct drm_encoder *rt_encoder = NULL, *wb_encoder;
+	struct drm_encoder *rt_encoder = NULL, *wb_encoder = NULL;
 	struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc);
 
 	/* Find encoder for real time display */
-- 
2.47.2
Re: [PATCH next] drm/msm/dpu: Fix uninitialized variable in dpu_crtc_kickoff_clone_mode()
Posted by Dmitry Baryshkov 11 months, 1 week ago
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>


On Fri, 07 Mar 2025 12:29:39 +0300, Dan Carpenter wrote:
> After the loop there is a check for whether "wb_encoder" has been set
> to non-NULL, however it was never set to NULL.  Initialize it to NULL.
> 
> 

Applied, thanks!

[1/1] drm/msm/dpu: Fix uninitialized variable in dpu_crtc_kickoff_clone_mode()
      https://gitlab.freedesktop.org/lumag/msm/-/commit/1b9d131a098e

Best regards,
-- 
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Re: [PATCH next] drm/msm/dpu: Fix uninitialized variable in dpu_crtc_kickoff_clone_mode()
Posted by Dmitry Baryshkov 11 months, 1 week ago
On Fri, Mar 07, 2025 at 12:29:39PM +0300, Dan Carpenter wrote:
> After the loop there is a check for whether "wb_encoder" has been set
> to non-NULL, however it was never set to NULL.  Initialize it to NULL.
> 
> Fixes: ad06972d5365 ("drm/msm/dpu: Reorder encoder kickoff for CWB")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

-- 
With best wishes
Dmitry