This is a note to let you know that I've just added the patch titled RDMA/nldev: Fix failure to send large messages to the 5.15-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-nldev-fix-failure-to-send-large-messages.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 58491c547d7c94456fce92ffab2eed6574b4aa66 Author: Mark Zhang <markzhang@xxxxxxxxxx> Date: Mon Nov 28 13:52:46 2022 +0200 RDMA/nldev: Fix failure to send large messages [ Upstream commit fc8f93ad3e5485d45c992233c96acd902992dfc4 ] 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@xxxxxxxxxx> Reviewed-by: Patrisious Haddad <phaddad@xxxxxxxxxx> Link: https://lore.kernel.org/r/b5e9c62f6b8369acab5648b661bf539cbceeffdc.1669636336.git.leonro@xxxxxxxxxx Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index cefe12964f3e..7ad3ba7d5a0a 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -511,7 +511,7 @@ 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)