From: rahul <rahul1809>
Date: Mon, 22 Jan 2018 11:35:52 +0000 (+0530)
Subject: added a check to avoid freeing null pointer
X-Git-Tag: 4.6~11^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=97bb5b2b6dda6cafb723ecf0701c1499ac06097c;p=thirdparty%2Fshadow.git

added a check to avoid freeing null pointer
---

diff --git a/src/newusers.c b/src/newusers.c
index c38aec4b4..664313fc6 100644
--- a/src/newusers.c
+++ b/src/newusers.c
@@ -290,6 +290,7 @@ static int add_group (const char *name, const char *gid, gid_t *ngid, uid_t uid)
 		fprintf (stderr,
 		         _("%s: invalid group name '%s'\n"),
 		         Prog, grent.gr_name);
+		if (grent.gr_name)
 		free (grent.gr_name);
 		return -1;
 	}