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RDMA/erdma: initialize ret for empty receive WR lists

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[ Upstream commit 2815a277c5 ]

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: 1550557717 ("RDMA/erdma: Add verbs implementation")
Link: https://patch.msgid.link/r/20260618041752.481193-1-ruoyuw560@gmail.com
Signed-off-by: Ruoyu Wang <ruoyuw560@gmail.com>
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ruoyu Wang
2026-08-03 11:15:12 +02:00
committed by Greg Kroah-Hartman
parent fb46d134e1
commit 0e861c8a69
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/hw/erdma/erdma_qp.c
+1 -1
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@@ -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);