diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-01-28 12:06:46 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-01-28 10:28:15 +0100 |
| commit | 15b6b804b6e43297d9c05306554a39d8891966f9 (patch) | |
| tree | c031cb256936cdc5f4f072150489ac7244ccda6d /drivers/gpu | |
| parent | 09859d2a3c2090ae2452cbf1c8fdde30ba38d934 (diff) | |
drm/vmwgfx: fix a NULL dereference
We dereference "eaction->event" inside the call to drm_send_event_locked()
so should hold off on setting it to NULL until afterward.
Fixes: fb740cf2492c ("drm: Create drm_send_event helpers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160128090646.GA5824@mwanda
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index e0edf149d9d5..37c305b62608 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -880,8 +880,8 @@ static void vmw_event_fence_action_seq_passed(struct vmw_fence_action *action) } list_del_init(&eaction->fpriv_head); - eaction->event = NULL; drm_send_event_locked(dev, eaction->event); + eaction->event = NULL; spin_unlock_irqrestore(&dev->event_lock, irq_flags); } |