From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sat, 3 Jan 2015 20:11:27 +0000 (+0100)
Subject: fix a SEGV in previous commit
X-Git-Tag: 1_24_0~241
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=402451aa19521908125c9aeeb52e91fd4032948b;p=oweals%2Fbusybox.git

fix a SEGV in previous commit

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/libpwdgrp/pwd_grp.c b/libpwdgrp/pwd_grp.c
index 01058d3a1..2392e7d22 100644
--- a/libpwdgrp/pwd_grp.c
+++ b/libpwdgrp/pwd_grp.c
@@ -223,7 +223,7 @@ static char *parse_common(FILE *fp, const char *filename,
  * for 3 pointers: alignment padding, group name, NULL.
  * +1 for every additional group.
  */
-	if (n_fields == sizeof(GR_DEF)-1) { /* if we read group file... */
+	if (buf && n_fields == sizeof(GR_DEF)-1) { /* if we read group file... */
 		int cnt = 3;
 		char *p = buf;
 		while (p < S.tokenize_end)