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drm/i915: Correctly return -ENOMEM on allocation failure in cmdbuf io…
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…ctls.

Signed-off-by: Owain G. Ainsworth <oga@openbsd.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Owain Ainsworth authored and Eric Anholt committed Feb 10, 2010
1 parent aacef09 commit a40e8d3
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Showing 2 changed files with 6 additions and 2 deletions.
4 changes: 3 additions & 1 deletion drivers/gpu/drm/i915/i915_dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -735,8 +735,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
if (cmdbuf->num_cliprects) {
cliprects = kcalloc(cmdbuf->num_cliprects,
sizeof(struct drm_clip_rect), GFP_KERNEL);
if (cliprects == NULL)
if (cliprects == NULL) {
ret = -ENOMEM;
goto fail_batch_free;
}

ret = copy_from_user(cliprects, cmdbuf->cliprects,
cmdbuf->num_cliprects *
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4 changes: 3 additions & 1 deletion drivers/gpu/drm/i915/i915_gem.c
Original file line number Diff line number Diff line change
Expand Up @@ -3688,8 +3688,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (args->num_cliprects != 0) {
cliprects = kcalloc(args->num_cliprects, sizeof(*cliprects),
GFP_KERNEL);
if (cliprects == NULL)
if (cliprects == NULL) {
ret = -ENOMEM;
goto pre_mutex_err;
}

ret = copy_from_user(cliprects,
(struct drm_clip_rect __user *)
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