> -----Original Message-----
> From: wangyunjian <wangyunj...@huawei.com>
> Sent: Friday, September 25, 2020 7:22 PM
> To: dev@dpdk.org
> Cc: maxime.coque...@redhat.com; Xia, Chenbo <chenbo....@intel.com>; Wang,
> Zhihong <zhihong.w...@intel.com>; jerry.lili...@huawei.com;
> xudin...@huawei.com; Yunjian Wang <wangyunj...@huawei.com>;
> sta...@dpdk.org
> Subject: [dpdk-dev] [PATCH] examples/vhost_blk: fix unchecked return value
>
> From: Yunjian Wang <wangyunj...@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: sta...@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunj...@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
Reviewed-by: Chenbo Xia <chenbo....@intel.com>
