staging: drm/omap: allocation fail check

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index 1054da3b2d254d208f5b93a8be28e8c7d717b90f..a451c572a59dce4e38245beb4d8780c068498a9c 100644 (file)
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -1094,6 +1094,10 @@ void omap_gem_init(struct drm_device *dev)
        }
 
        usergart = kzalloc(3 * sizeof(*usergart), GFP_KERNEL);
+       if (!usergart) {
+               dev_warn(dev->dev, "could not allocate usergart\n");
+               return;
+       }
 
        /* reserve 4k aligned/wide regions for userspace mappings: */
        for (i = 0; i < ARRAY_SIZE(fmts); i++) {