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drm/msm: fix potential submit error path issue

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Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2016-06-01 14:02:51 -04:00
parent ba344afd66
commit a9e26cab40
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/msm/msm_gem_submit.c
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@ -77,6 +77,11 @@ static int submit_lookup_objects(struct msm_gem_submit *submit,
void __user *userptr =
u64_to_user_ptr(args->bos + (i * sizeof(submit_bo)));
/* make sure we don't have garbage flags, in case we hit
* error path before flags is initialized:
*/
submit->bos[i].flags = 0;
ret = copy_from_user(&submit_bo, userptr, sizeof(submit_bo));
if (ret) {
ret = -EFAULT;