From 6d2b7c381b71cd755f8204de29ff4d1c13a966f8 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Sun, 11 Apr 2010 12:07:03 +0000
Subject: [PATCH] Don't forget to catch realloc() errors.

---
 usr.sbin/lastlogin/lastlogin.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/lastlogin/lastlogin.c b/usr.sbin/lastlogin/lastlogin.c
index 9c3d433cc6b..4c085475ad0 100644
--- a/usr.sbin/lastlogin/lastlogin.c
+++ b/usr.sbin/lastlogin/lastlogin.c
@@ -88,9 +88,12 @@ main(int argc, char *argv[])
 		while ((u = getutxent()) != NULL) {
 			if (u->ut_type != USER_PROCESS)
 				continue;
-			if ((ulistsize % 16) == 0)
+			if ((ulistsize % 16) == 0) {
 				ulist = realloc(ulist,
 				    (ulistsize + 16) * sizeof(struct utmpx));
+				if (ulist == NULL)
+					err(1, "malloc");
+			}
 			ulist[ulistsize++] = *u;
 		}
 		endutxent();