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 <jgli...@redhat.com>
---
 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 3ff34a9..9a2fd1b 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -714,7 +714,11 @@ 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);
 }
 
-- 
1.6.5.2


------------------------------------------------------------------------------
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel

Reply via email to