diff options
| author | Jerome Glisse <jglisse@redhat.com> | 2010-01-17 21:21:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 08:49:39 -0700 |
| commit | b74d5e0279a43ab9762c733128f05b502c6fc5a0 (patch) | |
| tree | b02268c8509d714b396f1795ae39789476922a63 /drivers/gpu/drm | |
| parent | a816ca1fe6aa3c3a2924936cf7c688f59099b933 (diff) | |
drm/radeon/kms: Forbid creation of framebuffer with no valid GEM object
commit 7e71c9e2e7704ebf044d4a964e02fbd2098a173f upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 6 |
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 c85df4afcb7a..6f683159fc64 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -599,7 +599,11 @@ 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); } |