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i915: signedness bug in check_overlay_src()

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"depth" should be signed in case packed_depth_bytes() returns -EINVAL.

This probably doesn't make a difference at runtime.  In the original
code we would return -EINVAL later if (rec->offset_Y % 4294967274) is
non-zero.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Dan Carpenter 2010-10-27 23:17:25 +02:00 committed by Chris Wilson
parent dd2b379f07
commit 8f28f54aad
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/intel_overlay.c
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@ -946,7 +946,9 @@ static int check_overlay_src(struct drm_device *dev,
{
int uv_hscale = uv_hsubsampling(rec->flags);
int uv_vscale = uv_vsubsampling(rec->flags);
u32 stride_mask, depth, tmp;
u32 stride_mask;
int depth;
u32 tmp;
/* check src dimensions */
if (IS_845G(dev) || IS_I830(dev)) {