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path: root/drivers/char/agp/ati-agp.c
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Diffstat (limited to 'drivers/char/agp/ati-agp.c')
-rw-r--r--drivers/char/agp/ati-agp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index da7513d7b4e..2d46b713c8f 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -213,6 +213,9 @@ static int ati_configure(void)
temp = (temp & 0xfffff000);
ati_generic_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
+ if (!ati_generic_private.registers)
+ return -ENOMEM;
+
if (is_r200())
pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000);
else