From: Schremmer, Steven <Steve.Schremmer@netapp.com>
Date: Thu, 23 Aug 2018 19:33:12 +0000 (+0000)
Subject: nvme-cli: netapp plugin handle empty strings
X-Git-Tag: v1.7~87
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8e78d3c74516c3f4e1a886aaeb652ae4484f79fe;p=users%2Fsagi%2Fnvme-cli.git

nvme-cli: netapp plugin handle empty strings

Handle controller fields with strings of length 0.

Signed-off-by: Steve Schremmer <steve.schremmer@netapp.com>
---

diff --git a/netapp-nvme.c b/netapp-nvme.c
index 1167db49..542d35dc 100644
--- a/netapp-nvme.c
+++ b/netapp-nvme.c
@@ -63,6 +63,9 @@ static void netapp_convert_string(char *dst, char *src, unsigned int count)
 	memset(dst, 0, count + 1);
 	for (i = 0; i < count; i++)
 		dst[i] = src[i * 2 + 1];
+	/* the json routines won't accept empty strings */
+	if (strlen(dst) == 0 && count)
+		dst[0] = ' ';
 }
 
 static void netapp_nguid_to_str(char *str, __u8 *nguid)