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authorJerome Glisse <jglisse@redhat.com>2010-01-17 21:21:41 +0100
committerDave Airlie <airlied@linux.ie>2010-01-21 08:46:27 +1000
commit7e71c9e2e7704ebf044d4a964e02fbd2098a173f (patch)
treef0231cd483dc1f4e6521b46802169baee4fda054 /drivers/gpu/drm/radeon/radeon_display.c
parent7924e5eb8fe422d6b1ce3b3e2be749a480dfcdd9 (diff)
drm/radeon/kms: Forbid creation of framebuffer with no valid GEM object
This will avoid oops if at later point the fb is use. Trying to create a framebuffer with no valid GEM object is bogus and should be forbidden as this patch does. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 49f3c69cf24..f899320f0a6 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -715,7 +715,11 @@ radeon_user_framebuffer_create(struct drm_device *dev,
struct drm_gem_object *obj;
obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
-
+ if (obj == NULL) {
+ dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "
+ "can't create framebuffer\n", mode_cmd->handle);
+ return NULL;
+ }
return radeon_framebuffer_create(dev, mode_cmd, obj);
}