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Subject: media: vsp1: Simplify DRM UIF handling Author: Kieran Bingham <[email protected]> Date: Fri Jun 18 21:09:05 2021 +0200 In commit 6732f3139380 ("media: v4l: vsp1: Fix uif null pointer access") the handling of the UIF was over complicated, and the patch applied before review. Simplify it to keep the conditionals small. Signed-off-by: Kieran Bingham <[email protected]> Reviewed-by: Biju Das <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/vsp1/vsp1_drm.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c index 06f74d410973..0c2507dc03d6 100644 --- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -455,6 +455,10 @@ static int vsp1_du_pipeline_setup_inputs(struct vsp1_device *vsp1, dev_err(vsp1->dev, "%s: failed to setup UIF after %s\n", __func__, BRX_NAME(pipe->brx)); + /* If the DRM pipe does not have a UIF there is nothing we can update. */ + if (!drm_pipe->uif) + return 0; + /* * If the UIF is not in use schedule it for removal by setting its pipe * pointer to NULL, vsp1_du_pipeline_configure() will remove it from the @@ -462,9 +466,9 @@ static int vsp1_du_pipeline_setup_inputs(struct vsp1_device *vsp1, * make sure it is present in the pipeline's list of entities if it * wasn't already. */ - if (drm_pipe->uif && !use_uif) { + if (!use_uif) { drm_pipe->uif->pipe = NULL; - } else if (drm_pipe->uif && !drm_pipe->uif->pipe) { + } else if (!drm_pipe->uif->pipe) { drm_pipe->uif->pipe = pipe; list_add_tail(&drm_pipe->uif->list_pipe, &pipe->entities); } _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
