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drm/radeon/kms: Forbid creation of framebuffer with no valid GEM object

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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>
This commit is contained in:
Jerome Glisse 2010-01-17 21:21:41 +01:00 committed by Dave Airlie
parent 7924e5eb8f
commit 7e71c9e2e7
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/radeon/radeon_display.c
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@ -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);
}