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intel-gem: Check return value of pci_read_base.
author
Eric Anholt
<eric@anholt.net>
Tue, 29 Jul 2008 18:10:47 +0000
(11:10 -0700)
committer
Eric Anholt
<eric@anholt.net>
Tue, 29 Jul 2008 18:10:47 +0000
(11:10 -0700)
linux-core/i915_gem_tiling.c
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diff --git
a/linux-core/i915_gem_tiling.c
b/linux-core/i915_gem_tiling.c
index
9002919
..
a4ff736
100644
(file)
--- a/
linux-core/i915_gem_tiling.c
+++ b/
linux-core/i915_gem_tiling.c
@@
-115,7
+115,11
@@
i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
* since the bridge would only ever use standard BARs 0-1 (though it
* doesn't anyway)
*/
- pci_read_base(bridge, mchbar_offset, &bridge->resource[2]);
+ ret = pci_read_base(bridge, mchbar_offset, &bridge->resource[2]);
+ if (ret != 0) {
+ DRM_ERROR("pci_read_base failed: %d\n", ret);
+ return;
+ }
mchbar = ioremap(pci_resource_start(bridge, 2),
pci_resource_len(bridge, 2));