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radeon: fix race in sysfs

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This commit is contained in:
Dave Airlie 2008-11-03 09:46:07 +10:00
parent 4ef8ace9a9
commit ce2cd141c3
1 changed files with 5 additions and 1 deletions
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6
linux-core/radeon_drv.c
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@ -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" :