[PATCH 1/3] drm: Remove drm_vblank_cleanup from drm_vblank_init error path.
Mario Kleiner
mario.kleiner.de at gmail.com
Tue Aug 5 18:22:44 PDT 2014
drm_vblank_cleanup() would operate on non-existent dev->vblank
data structure, as failure to allocate that data structure is
what triggers the error path in the first place.
Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>
Cc: stable at vger.kernel.org
---
drivers/gpu/drm/drm_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 0de123a..553a58c 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -224,7 +224,7 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs)
return 0;
err:
- drm_vblank_cleanup(dev);
+ dev->num_crtcs = 0;
return ret;
}
EXPORT_SYMBOL(drm_vblank_init);
--
1.9.1
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