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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2009-02-04 14:15:10 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2009-02-08 21:38:27 +1000 |
| commit | 7d8d58b23fd01e60ed44d8d8c10b2df86e638faa (patch) | |
| tree | 78c29f02c8da4829430ba1af164b87216e8a281e /drivers | |
| parent | 122ee2a63bc49d21f402f6b6d2208306cdcc98c1 (diff) | |
| download | linux-7d8d58b23fd01e60ed44d8d8c10b2df86e638faa.tar.gz linux-7d8d58b23fd01e60ed44d8d8c10b2df86e638faa.tar.bz2 linux-7d8d58b23fd01e60ed44d8d8c10b2df86e638faa.zip | |
drm/i915: Unlock mutex on i915_gem_fault() error path
If we failed to allocate a new fence register we would return
VM_FAULT_SIGBUS without relinquishing the lock.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6a9e3a875083..1441831fa06e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -588,8 +588,10 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (obj_priv->fence_reg == I915_FENCE_REG_NONE && obj_priv->tiling_mode != I915_TILING_NONE) { ret = i915_gem_object_get_fence_reg(obj, write); - if (ret != 0) + if (ret) { + mutex_unlock(&dev->struct_mutex); return VM_FAULT_SIGBUS; + } } pfn = ((dev->agp->base + obj_priv->gtt_offset) >> PAGE_SHIFT) + |