[PATCH v2 2/4] drm/framebuffer: Fix use of uninitialized variable
Tomi Valkeinen
tomi.valkeinen at ideasonboard.com
Fri Nov 3 13:14:04 UTC 2023
smatch reports:
drivers/gpu/drm/drm_framebuffer.c:654 drm_mode_getfb2_ioctl() error: uninitialized symbol 'ret'.
'ret' is possibly not set when there are no errors, causing the error
above. I can't say if that ever happens in real-life, but in any case I
think it is good to initialize 'ret' to 0.
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
---
drivers/gpu/drm/drm_framebuffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 09e289fca5c3..3cc0ffc28e86 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -583,7 +583,7 @@ int drm_mode_getfb2_ioctl(struct drm_device *dev,
struct drm_mode_fb_cmd2 *r = data;
struct drm_framebuffer *fb;
unsigned int i;
- int ret;
+ int ret = 0;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
--
2.34.1
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