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Staging: atomisp: fix locking in alloc_user_pages()

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We call this function with the lock held and should also return with the
lock held as well.  This one error path is not-consistent because we
should return without the lock held.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2017-03-20 14:40:32 +00:00
committed by Greg Kroah-Hartman
parent 08dcded491
commit af4fd0e7a4
1 changed files with 1 additions and 0 deletions
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drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c
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@@ -1011,6 +1011,7 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
dev_err(atomisp_dev, "find_vma failed\n");
atomisp_kernel_free(bo->page_obj);
atomisp_kernel_free(pages);
mutex_lock(&bo->mutex);
return -EFAULT;
}
mutex_lock(&bo->mutex);