4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit ded260235308f340b979258a4c736e06ba12c747 ]
"goto err;" has it's own kfree_skb() call so it's a double free. We only need to free on the "goto exit;" path.
Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Doug Ledford dledford@redhat.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/infiniband/sw/rxe/rxe_req.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -726,11 +726,11 @@ next_wqe: ret = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, &pkt, skb); if (ret) { qp->need_req_skb = 1; - kfree_skb(skb);
rollback_state(wqe, qp, &rollback_wqe, rollback_psn);
if (ret == -EAGAIN) { + kfree_skb(skb); rxe_run_task(&qp->req.task, 1); goto exit; }