From 836a0fbb3e76f704ad65ddfb57f00725245e509b Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Sun, 16 Jun 2019 15:05:20 +0300 Subject: RDMA: Check umem pointer validity prior to release Update ib_umem_release() to behave similarly to kfree() and allow submitting NULL pointer as safe input to this function. Fixes: a52c8e2469c3 ("RDMA: Clean destroy CQ in drivers do not return errors") Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- drivers/infiniband/sw/rxe/rxe_mr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/infiniband/sw/rxe') diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index f501f72489d8..ea6a819b7167 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -96,8 +96,7 @@ void rxe_mem_cleanup(struct rxe_pool_entry *arg) struct rxe_mem *mem = container_of(arg, typeof(*mem), pelem); int i; - if (mem->umem) - ib_umem_release(mem->umem); + ib_umem_release(mem->umem); if (mem->map) { for (i = 0; i < mem->num_map; i++) -- cgit v1.2.3-59-g8ed1b