From 0e861c8a69671f8a635552a965e165c7e295586d Mon Sep 17 00:00:00 2001 From: Ruoyu Wang Date: Thu, 18 Jun 2026 12:17:51 +0800 Subject: [PATCH] RDMA/erdma: initialize ret for empty receive WR lists [ Upstream commit 2815a277c53e9a84784d6410cd55a9da5b33068d ] erdma_post_recv() returns ret after walking the receive work request list. If the caller passes an empty list, the loop is skipped and ret is not assigned. Initialize ret to 0 so an empty receive work request list returns success instead of stack data. Fixes: 155055771704 ("RDMA/erdma: Add verbs implementation") Link: https://patch.msgid.link/r/20260618041752.481193-1-ruoyuw560@gmail.com Signed-off-by: Ruoyu Wang Reviewed-by: Cheng Xu Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/erdma/erdma_qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/erdma/erdma_qp.c b/drivers/infiniband/hw/erdma/erdma_qp.c index 6d0330badd68..e3a731a45e88 100644 --- a/drivers/infiniband/hw/erdma/erdma_qp.c +++ b/drivers/infiniband/hw/erdma/erdma_qp.c @@ -573,7 +573,7 @@ int erdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *recv_wr, const struct ib_recv_wr *wr = recv_wr; struct erdma_qp *qp = to_eqp(ibqp); unsigned long flags; - int ret; + int ret = 0; spin_lock_irqsave(&qp->lock, flags);