Skip to content
Snippets Groups Projects
Commit f6778629 authored by Ma Ke's avatar Ma Ke Committed by Greg Kroah-Hartman
Browse files

drm/sti: avoid potential dereference of error pointers


commit 831214f77037de02afc287eae93ce97f218d8c04 upstream.

The return value of drm_atomic_get_crtc_state() needs to be
checked. To avoid use of error pointer 'crtc_state' in case
of the failure.

Cc: stable@vger.kernel.org
Fixes: dd86dc2f ("drm/sti: implement atomic_check for the planes")
Signed-off-by: default avatarMa Ke <make24@iscas.ac.cn>
Link: https://patchwork.freedesktop.org/patch/msgid/20240913090412.2022848-1-make24@iscas.ac.cn


Signed-off-by: default avatarAlain Volmat <alain.volmat@foss.st.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent faf6c1ca
No related branches found
No related tags found
1 merge request!176🤖 Sync Bot: Update v6.12-ktn to Latest Stable Kernel (v6.12.4)
......@@ -200,6 +200,9 @@ static int sti_cursor_atomic_check(struct drm_plane *drm_plane,
return 0;
crtc_state = drm_atomic_get_crtc_state(state, crtc);
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
mode = &crtc_state->mode;
dst_x = new_plane_state->crtc_x;
dst_y = new_plane_state->crtc_y;
......
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment