This is a note to let you know that I've just added the patch titled
drm/drm_file: fix use of uninitialized variable
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-drm_file-fix-use-of-uninitialized-variable.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b7c63d031e6e07930dad7182bfac6bcc1cf21cf6
Author: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Date: Fri Nov 3 15:14:03 2023 +0200
drm/drm_file: fix use of uninitialized variable
[ Upstream commit 1d3062fad9c7313fff9970a88e0538a24480ffb8 ]
smatch reports:
drivers/gpu/drm/drm_file.c:967 drm_show_memory_stats() error: uninitialized symbol 'supported_status'.
'supported_status' is only set in one code path. I'm not familiar with
the code to say if that path will always be ran in real life, but
whether that is the case or not, I think it is good to initialize
'supported_status' to 0 to silence the warning (and possibly fix a bug).
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20231103-uninit-fixes-v2-1-c22b2444f5f5@xxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index e692770ef6d3..a7799086017a 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -958,7 +958,7 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
{
struct drm_gem_object *obj;
struct drm_memory_stats status = {};
- enum drm_gem_object_status supported_status;
+ enum drm_gem_object_status supported_status = 0;
int id;
spin_lock(&file->table_lock);
