drm/i915: Don't leak in i915_gem_shmem_pread_slow()

It seems to me that we are leaking 'user_pages' in
drivers/gpu/drm/i915/i915_gem.c::i915_gem_shmem_pread_slow() if
read_cache_page_gfp() fails.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jesper Juhl 2011-06-12 20:53:44 +00:00 committed by Dave Airlie
parent a27bb4b209
commit b65552f06c

View file

@ -465,8 +465,10 @@ i915_gem_shmem_pread_slow(struct drm_device *dev,
page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT,
GFP_HIGHUSER | __GFP_RECLAIMABLE);
if (IS_ERR(page))
return PTR_ERR(page);
if (IS_ERR(page)) {
ret = PTR_ERR(page);
goto out;
}
if (do_bit17_swizzling) {
slow_shmem_bit17_copy(page,