Hi Am 22.02.23 um 16:56 schrieb Tom Rix:
building with clang and W=1 reports
drivers/gpu/drm/msm/msm_fbdev.c:144:6: error: variable 'helper' is used
uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
if (!fbdev)
^~~~~~
helper is only initialized after fbdev succeeds, so is in a garbage state at
the fail: label. There is nothing to unwinded if fbdev alloaction fails,
return NULL.
Fixes: 3fb1f62f80a1 ("drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()")
Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
Already fixed here: https://lore.kernel.org/dri-devel/08e3340e-b459-0e60-4bba-30716b675e05@xxxxxxx/T/#t
Best regards Thomas
--- drivers/gpu/drm/msm/msm_fbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index c804e5ba682a..c1356aff87da 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -142,7 +142,7 @@ struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev)fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);if (!fbdev) - goto fail; + return NULL;helper = &fbdev->base;
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
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