1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 6cd7373dcdf4..225ed2a53d45 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -157,6 +157,9 @@ static int nvidia_configure(void)
         nvidia_private.aperture =
                 (volatile u32 __iomem *) ioremap(apbase, 33 * PAGE_SIZE);
 
+        if (!nvidia_private.aperture)
+                return -ENOMEM;
+
         return 0;
 }