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From: wangyunjian <wangyunjian@huawei.com>
To: <dev@dpdk.org>
Cc: <maxime.coquelin@redhat.com>, <chenbo.xia@intel.com>,
	<zhihong.wang@intel.com>, <jerry.lilijun@huawei.com>,
	<xudingke@huawei.com>, Yunjian Wang <wangyunjian@huawei.com>,
	<stable@dpdk.org>
Subject: [dpdk-stable] [dpdk-dev] [PATCH] examples/vhost_blk: fix unchecked return value
Date: Fri, 25 Sep 2020 19:22:06 +0800
Message-ID: <87d9cf9f99c249962a9445167271878896e85d2f.1601032637.git.wangyunjian@huawei.com> (raw)

From: Yunjian Wang <wangyunjian@huawei.com>

This checks the return value from the function
rte_vhost_driver_start.

Coverity issue: 362027
Fixes: c19beb3f38cd ("examples/vhost_blk: introduce vhost storage sample")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
 examples/vhost_blk/vhost_blk.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/vhost_blk/vhost_blk.c b/examples/vhost_blk/vhost_blk.c
index f4c59437a..8f5d61a58 100644
--- a/examples/vhost_blk/vhost_blk.c
+++ b/examples/vhost_blk/vhost_blk.c
@@ -877,7 +877,11 @@ int main(int argc, char *argv[])
 
 	signal(SIGINT, signal_handler);
 
-	rte_vhost_driver_start(dev_pathname);
+	ret = rte_vhost_driver_start(dev_pathname);
+	if (ret < 0) {
+		fprintf(stderr, "Failed to start vhost driver.\n");
+		return -1;
+	}
 
 	/* loop for exit the application */
 	while (1)
-- 
2.23.0


             reply	other threads:[~2020-09-25 11:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-25 11:22 wangyunjian [this message]
2020-09-30  5:28 ` Xia, Chenbo
2020-09-30 16:18 ` Maxime Coquelin

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