Linux-RDMA Archive on lore.kernel.org
 help / color / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Michael J. Ruhl" <michael.j.ruhl@intel.com>,
	Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 063/103] IB/hfi1: Missing return value in error path for user sdma
Date: Fri,  8 Nov 2019 06:42:28 -0500
Message-ID: <20191108114310.14363-63-sashal@kernel.org> (raw)
In-Reply-To: <20191108114310.14363-1-sashal@kernel.org>

From: "Michael J. Ruhl" <michael.j.ruhl@intel.com>

[ Upstream commit 2bf4b33f83dfe521c4c7c407b6b150aeec04d69c ]

If the set_txreq_header_agh() function returns an error, the exit path
is chosen.

In this path, the code fails to set the return value.  This will cause
the caller to not realize an error has occurred.

Set the return value correctly in the error path.

Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hfi1/user_sdma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 75275f9e363de..4854a4a453b5f 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -856,8 +856,10 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
 
 				changes = set_txreq_header_ahg(req, tx,
 							       datalen);
-				if (changes < 0)
+				if (changes < 0) {
+					ret = changes;
 					goto free_tx;
+				}
 			}
 		} else {
 			ret = sdma_txinit(&tx->txreq, 0, sizeof(req->hdr) +
-- 
2.20.1


      parent reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191108114310.14363-1-sashal@kernel.org>
2019-11-08 11:41 ` [PATCH AUTOSEL 4.14 027/103] IB/rxe: fixes for rdma read retry Sasha Levin
2019-11-08 11:42 ` [PATCH AUTOSEL 4.14 043/103] IB/ipoib: Ensure that MTU isn't less than minimum permitted Sasha Levin
2019-11-08 11:42 ` [PATCH AUTOSEL 4.14 044/103] RDMA/core: Rate limit MAD error messages Sasha Levin
2019-11-08 11:42 ` [PATCH AUTOSEL 4.14 045/103] RDMA/core: Follow correct unregister order between sysfs and cgroup Sasha Levin
2019-11-08 11:42 ` Sasha Levin [this message]

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191108114310.14363-63-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=dennis.dalessandro@intel.com \
    --cc=jgg@mellanox.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=michael.j.ruhl@intel.com \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-RDMA Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-rdma/0 linux-rdma/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-rdma linux-rdma/ https://lore.kernel.org/linux-rdma \
		linux-rdma@vger.kernel.org
	public-inbox-index linux-rdma

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-rdma


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git