From dc9e658013d9c2be798f9ff43b8cd2c63c844f17 Mon Sep 17 00:00:00 2001 From: Yunjian Wang Date: Fri, 25 Sep 2020 19:22:06 +0800 Subject: [PATCH] examples/vhost_blk: check driver start failure 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 Reviewed-by: Chenbo Xia --- 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 f4c59437a0..8f5d61a589 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) -- 2.20.1