diff options
| author | Thomas Hellstrom <thomas@tungstengraphics.com> | 2006-08-16 01:21:56 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-09-21 21:32:32 +0200 |
| commit | 0a0c721dc5d0de011e5d363cd454c60c66ca00ec (patch) | |
| tree | 6afaf6fb6a25e82768212c1122cb89d21bc7a85f /drivers/char | |
| parent | drm: allow detection of new VIA chipsets (diff) | |
| download | linux-0a0c721dc5d0de011e5d363cd454c60c66ca00ec.tar.xz linux-0a0c721dc5d0de011e5d363cd454c60c66ca00ec.zip | |
drm: avoid kernel oops in some error paths calling drm_lastclose
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index f9ecc8414b8a..654b95cdd9a3 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -155,10 +155,12 @@ int drm_lastclose(drm_device_t * dev) del_timer(&dev->timer); /* Clear pid list */ - list_for_each_entry_safe(pt, next, &dev->magicfree, head) { - list_del(&pt->head); - drm_ht_remove_item(&dev->magiclist, &pt->hash_item); - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + if (dev->magicfree.next) { + list_for_each_entry_safe(pt, next, &dev->magicfree, head) { + list_del(&pt->head); + drm_ht_remove_item(&dev->magiclist, &pt->hash_item); + drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + } } /* Clear AGP information */ |