diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-03-07 18:21:21 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-03-13 14:24:17 +1000 |
| commit | 08932156cc2d4f8807dc5ca5c3d6ccd85080610a (patch) | |
| tree | cf14e4ba254757a20e0ee4393ce3459d2069b816 /drivers/gpu/drm/radeon/r600_cp.c | |
| parent | 53c379e9462b59d4e166429ff064aaf0e7743795 (diff) | |
drm/radeon: r6xx/r7xx: fix possible oops in r600_page_table_cleanup()
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_cp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 37249b26f836..f915f1153b41 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -121,6 +121,9 @@ void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info int pages; int i; + if (!entry) + return; + if (gart_info->bus_addr) { max_pages = (gart_info->table_size / sizeof(u32)); pages = (entry->pages <= max_pages) |