diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-11-03 09:46:07 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-11-03 09:46:07 +1000 |
| commit | ce2cd141c36f330da7e9fb9a281e51abab88e0d1 (patch) | |
| tree | cf4509722b4de070f0434f067630234399b07b2a /linux-core | |
| parent | 4ef8ace9a96bd6bb4040ef5c4c3ea5572d7129e1 (diff) | |
radeon: fix race in sysfs
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/radeon_drv.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c index 3bc0c057..f7881720 100644 --- a/linux-core/radeon_drv.c +++ b/linux-core/radeon_drv.c @@ -60,8 +60,12 @@ module_param_named(agpmode, radeon_agpmode, int, 0444); static int dri_library_name(struct drm_device * dev, char * buf) { drm_radeon_private_t *dev_priv = dev->dev_private; - int family = dev_priv->flags & RADEON_FAMILY_MASK; + int family; + if (!dev_priv) + return 0; + + family = dev_priv->flags & RADEON_FAMILY_MASK; return snprintf(buf, PAGE_SIZE, "%s\n", (family < CHIP_R200) ? "radeon" : ((family < CHIP_R300) ? "r200" : |