[10/24] Staging: atomisp: fix locking in alloc_user_pages()
Commit Message
From: Dan Carpenter <dan.carpenter@oracle.com>
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>
---
.../media/atomisp/pci/atomisp2/hmm/hmm_bo.c | 1 +
1 file changed, 1 insertion(+)
@@ -1012,6 +1012,7 @@ 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);