Commit bddefb8f authored Jan 22, 2024 by Kalesh AP Committed by sanglipeng1 Jul 23, 2024

RDMA/bnxt_re: Return error for SRQ resize

stable inclusion
from stable-v5.10.211
commit 179bb08834fbc172cbb87256f22d838c99b7a183
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/IAF2J4

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=179bb08834fbc172cbb87256f22d838c99b7a183



--------------------------------

[ Upstream commit 3687b450c5f32e80f179ce4b09e0454da1449eac ]

SRQ resize is not supported in the driver. But driver is not
returning error from bnxt_re_modify_srq() for SRQ resize.

Fixes: 37cb11ac ("RDMA/bnxt_re: Add SRQ support for Broadcom adapters")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1705985677-15551-5-git-send-email-selvin.xavier@broadcom.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng1 <sanglipeng1@jd.com>

parent 74197531

drivers/infiniband/hw/bnxt_re/ib_verbs.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1711,7 +1711,7 @@ int bnxt_re_modify_srq(struct ib_srq ib_srq, struct ib_srq_attr srq_attr,
		switch (srq_attr_mask) {
		case IB_SRQ_MAX_WR:
		/* SRQ resize is not supported */
		break;
		return -EINVAL;
		case IB_SRQ_LIMIT:
		/* Change the SRQ threshold */
		if (srq_attr->srq_limit > srq->qplib_srq.max_wqe)
		@@ -1726,13 +1726,12 @@ int bnxt_re_modify_srq(struct ib_srq ib_srq, struct ib_srq_attr srq_attr,
		/* On success, update the shadow */
		srq->srq_limit = srq_attr->srq_limit;
		/* No need to Build and send response back to udata */
		break;
		return 0;
		default:
		ibdev_err(&rdev->ibdev,
		"Unsupported srq_attr_mask 0x%x", srq_attr_mask);
		return -EINVAL;
		}
		return 0;
		}

		int bnxt_re_query_srq(struct ib_srq ib_srq, struct ib_srq_attr srq_attr)