agp: balance ioremap checks
patchset against 2.6.23-rc3.
corrects missing ioremap return checks and balancing on iounmap calls, integrated changes per list
recommendations on the original set of patches..
Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
index 53354bf..75d2aca 100644
--- a/drivers/char/agp/i460-agp.c
+++ b/drivers/char/agp/i460-agp.c
@@ -249,6 +249,10 @@
num_entries = A_SIZE_8(temp)->num_entries;
i460.gatt = ioremap(INTEL_I460_ATTBASE, PAGE_SIZE << page_order);
+ if (!i460.gatt) {
+ printk(KERN_ERR PFX "ioremap failed\n");
+ return -ENOMEM;
+ }
/* These are no good, the should be removed from the agp_bridge strucure... */
agp_bridge->gatt_table_real = NULL;