From: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
Date: Mon, 26 Jun 2017 20:59:08 +0000 (-0700)
Subject: nvme-cli: add error message for nvme list.
X-Git-Tag: v1.4~38^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c1ac9ffa1b56ced41f71b83b07174e78bfc25c64;p=users%2Fsagi%2Fnvme-cli.git

nvme-cli: add error message for nvme list.

Print error message for "nvme list" command when NVMe device(s)
is not present.
---

diff --git a/nvme.c b/nvme.c
index f746b744..6a544984 100644
--- a/nvme.c
+++ b/nvme.c
@@ -836,8 +836,10 @@ static int list(int argc, char **argv, struct command *cmd, struct plugin *plugi
 		return -EINVAL;
 
 	n = scandir(dev, &devices, scan_dev_filter, alphasort);
-	if (n < 0)
+	if (n < 0) {
+		fprintf(stderr, "no NVMe device(s) detected.\n");
 		return n;
+	}
 
 	list_items = calloc(n, sizeof(*list_items));
 	if (!list_items) {