From fc8f93ad3e5485d45c992233c96acd902992dfc4 Mon Sep 17 00:00:00 2001
From: Mark Zhang <markzhang@nvidia.com>
Date: Mon, 28 Nov 2022 13:52:46 +0200
Subject: [PATCH 1/1] RDMA/nldev: Fix failure to send large messages
Git-commit: fc8f93ad3e5485d45c992233c96acd902992dfc4
Patch-mainline: v6.2-rc1
References: git-fixes
Return "-EMSGSIZE" instead of "-EINVAL" when filling a QP entry, so that
new SKBs will be allocated if there's not enough room in current SKB.
Fixes: 65959522f806 ("RDMA: Add support to dump resource tracker in RAW format")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Link: https://lore.kernel.org/r/b5e9c62f6b8369acab5648b661bf539cbceeffdc.1669636336.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Nicolas Morey <nmorey@suse.com>
---
drivers/infiniband/core/nldev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index b4716cda65d8..a981ac2f0975 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -513,7 +513,7 @@ static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
/* In create_qp() port is not set yet */
if (qp->port && nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, qp->port))
- return -EINVAL;
+ return -EMSGSIZE;
ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qp->qp_num);
if (ret)
--
2.38.0.1.gee35aeee4b76