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authorJavier Martinez Canillas <javierm@redhat.com>2023-10-21 01:52:57 +0300
committerJavier Martinez Canillas <javierm@redhat.com>2023-10-27 12:00:28 +0300
commit9e4db199e66d427c50458f4d72734cc4f0b92948 (patch)
tree97bd226911b60e1a800c5348abc95b9c88e33c6e /drivers/gpu/drm/solomon/ssd130x.c
parent171c5f641031c0eee424ba79a3db4736c32e18ca (diff)
downloadlinux-9e4db199e66d427c50458f4d72734cc4f0b92948.tar.xz
drm/ssd130x: Fix possible uninitialized usage of crtc_state variable
Avoid a possible uninitialized use of the crtc_state variable in function ssd132x_primary_plane_atomic_check() and avoid the following Smatch warn: drivers/gpu/drm/solomon/ssd130x.c:921 ssd132x_primary_plane_atomic_check() error: uninitialized symbol 'crtc_state'. Fixes: fdd591e00a9c ("drm/ssd130x: Add support for the SSD132x OLED controller family") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/dri-devel/7dd6ca45-8263-44fe-a318-2fd9d761425d@moroto.mountain/ Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Acked-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231020225338.1686974-1-javierm@redhat.com
Diffstat (limited to 'drivers/gpu/drm/solomon/ssd130x.c')
-rw-r--r--drivers/gpu/drm/solomon/ssd130x.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
index 32f0857aec9f..e0174f82e353 100644
--- a/drivers/gpu/drm/solomon/ssd130x.c
+++ b/drivers/gpu/drm/solomon/ssd130x.c
@@ -910,7 +910,7 @@ static int ssd132x_primary_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
struct ssd130x_plane_state *ssd130x_state = to_ssd130x_plane_state(plane_state);
struct drm_crtc *crtc = plane_state->crtc;
- struct drm_crtc_state *crtc_state;
+ struct drm_crtc_state *crtc_state = NULL;
const struct drm_format_info *fi;
unsigned int pitch;
int ret;