agp: balance ioremap checks

[safe/jmp/linux-2.6] / drivers / char / agp / nvidia-agp.c

diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 6cd7373..225ed2a 100644 (file)
--- 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;
 }