From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sat, 30 Mar 2013 21:47:48 +0000 (-0400)
Subject: journald: check return value of strappend
X-Git-Tag: v201~121
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=4b94f3b8f7693f076e5c85bc2c02cf028192d8de

journald: check return value of strappend
---

diff --git a/src/journal/journald-kmsg.c b/src/journal/journald-kmsg.c
index b8198760d..2f536320f 100644
--- a/src/journal/journald-kmsg.c
+++ b/src/journal/journald-kmsg.c
@@ -250,10 +250,12 @@ static void dev_kmsg_record(Server *s, char *p, size_t l) {
                                         break;
 
                                 g = udev_list_entry_get_name(ll);
-                                b = strappend("_UDEV_DEVLINK=", g);
                                 if (g) {
-                                        IOVEC_SET_STRING(iovec[n++], b);
-                                        z++;
+                                        b = strappend("_UDEV_DEVLINK=", g);
+                                        if (b) {
+                                                IOVEC_SET_STRING(iovec[n++], b);
+                                                z++;
+                                        }
                                 }
 
                                 j++;