From: Minwoo Im <minwoo.im.dev@gmail.com>
Date: Wed, 10 Jan 2018 15:15:56 +0000 (+0900)
Subject: nvme-cli: lnvm: add check for fd after open operation
X-Git-Tag: v1.6~126^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a9ca5acf26f9967be7a3c49e7d0487051bfcedd2;p=users%2Fhch%2Fnvme-cli.git

nvme-cli: lnvm: add check for fd after open operation

Make it return negative error value when file open operation is failed.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
---

diff --git a/lnvm-nvme.c b/lnvm-nvme.c
index 363adeb..a9322b8 100644
--- a/lnvm-nvme.c
+++ b/lnvm-nvme.c
@@ -106,6 +106,8 @@ static int lnvm_id_ns(int argc, char **argv, struct command *cmd, struct plugin
 	};
 
 	fd = parse_and_open(argc, argv, desc, command_line_options, &cfg, sizeof(cfg));
+	if (fd < 0)
+		return fd;
 
 	if (cfg.human_readable)
 		flags |= HUMAN;