diff options
| author | Mathieu Bérard <mathieu@mberard.eu> | 2010-09-09 19:32:38 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-09-09 19:32:38 -0400 |
| commit | e26a59e9db8067882327f872e3d2d760ce4c66f3 (patch) | |
| tree | 4bfe55ed5c6f9b8dd2cbd7288d4649280a4fa16c /src/evergreen_accel.c | |
| parent | 7cc0d3311f23ad569af004e0e4a0e2efbac107e5 (diff) | |
Fix NULL possible deref in evergreen_cp_wait_vline_sync
Diffstat (limited to 'src/evergreen_accel.c')
| -rw-r--r-- | src/evergreen_accel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/evergreen_accel.c b/src/evergreen_accel.c index d319bc22..38666eef 100644 --- a/src/evergreen_accel.c +++ b/src/evergreen_accel.c @@ -242,12 +242,14 @@ void evergreen_cp_wait_vline_sync(ScrnInfoPtr pScrn, PixmapPtr pPix, xf86CrtcPtr crtc, int start, int stop) { RADEONInfoPtr info = RADEONPTR(pScrn); - drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private; + drmmode_crtc_private_ptr drmmode_crtc; uint32_t offset; if (!crtc) return; + drmmode_crtc = crtc->driver_private; + if (stop < start) return; |