Patch "RDMA/bnxt_re: Return error for SRQ resize" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    RDMA/bnxt_re: Return error for SRQ resize

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rdma-bnxt_re-return-error-for-srq-resize.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 1f3e2128daaef2423f20e5e7cf093358b6b1f4d0
Author: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
Date:   Mon Jan 22 20:54:36 2024 -0800

    RDMA/bnxt_re: Return error for SRQ resize
    
    [ 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: 37cb11acf1f7 ("RDMA/bnxt_re: Add SRQ support for Broadcom adapters")
    Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx>
    Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/1705985677-15551-5-git-send-email-selvin.xavier@xxxxxxxxxxxx
    Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 183f1c3c1f5ef..c9a7c03403ac0 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1623,7 +1623,7 @@ 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)
@@ -1638,13 +1638,12 @@ 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:
 		dev_err(rdev_to_dev(rdev),
 			"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)




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