From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri, 20 Mar 2009 21:16:33 +0000 (-0700)
Subject: drm/i915: check for -EINVAL from vm_insert_pfn
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=959b887cf42fd63cf10e28a7f26126f78aa1c0b0;p=linux-beck.git

drm/i915: check for -EINVAL from vm_insert_pfn

Indicates something is wrong with the mapping; and apparently triggers
in current kernels.

Signed-off-by: Jesse Barnes <jbarnes@virtuosugeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
---

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0abccb761121..9f4eceb8093d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1072,6 +1072,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	case -EAGAIN:
 		return VM_FAULT_OOM;
 	case -EFAULT:
+	case -EINVAL:
 		return VM_FAULT_SIGBUS;
 	default:
 		return VM_FAULT_NOPAGE;