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agp: balance ioremap checks

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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>
This commit is contained in:
Scott Thompson
2007-08-25 18:14:00 +10:00
committed by Dave Airlie
parent 32ddef98f2
commit 5bdbc7dc2c
6 changed files with 22 additions and 5 deletions
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14
drivers/char/agp/intel-agp.c
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@@ -930,8 +930,10 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
temp &= 0xfff80000;
intel_private.registers = ioremap(temp,128 * 4096);
if (!intel_private.registers)
if (!intel_private.registers) {
iounmap(intel_private.gtt);
return -ENOMEM;
}
temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
global_cache_flush(); /* FIXME: ? */
@@ -985,13 +987,15 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
temp &= 0xfff00000;
intel_private.gtt = ioremap((temp + (512 * 1024)) , 512 * 1024);
if (!intel_private.gtt)
return -ENOMEM;
if (!intel_private.gtt)
return -ENOMEM;
intel_private.registers = ioremap(temp,128 * 4096);
if (!intel_private.registers)
return -ENOMEM;
if (!intel_private.registers) {
iounmap(intel_private.gtt);
return -ENOMEM;
}
temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
global_cache_flush(); /* FIXME: ? */