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authorMichael Adam <obnox@samba.org>2008-02-29 02:23:29 +0100
committerMichael Adam <obnox@samba.org>2008-02-29 02:23:29 +0100
commitf21aac60d9937d11f3019251f1960b51b68c5e54 (patch)
treed7620d42568b022c4e140a71dde1116fcba36f2d /source4/lib/replace
parentdaab914cafba742ff9fcb3aab55cc812cf415058 (diff)
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libreplace: fix rep_freeifaddrs to not segfault on NULL input.
Michael (This used to be commit 0cbb87453beb52c6b0bc3a48791f49678f4030c5)
Diffstat (limited to 'source4/lib/replace')
-rw-r--r--source4/lib/replace/getifaddrs.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/source4/lib/replace/getifaddrs.c b/source4/lib/replace/getifaddrs.c
index adc2517e5c..f6f0ec080c 100644
--- a/source4/lib/replace/getifaddrs.c
+++ b/source4/lib/replace/getifaddrs.c
@@ -44,13 +44,14 @@
void rep_freeifaddrs(struct ifaddrs *ifp)
{
- free(ifp->ifa_name);
- free(ifp->ifa_addr);
- free(ifp->ifa_netmask);
- free(ifp->ifa_dstaddr);
- if (ifp->ifa_next != NULL)
+ if (ifp != NULL) {
+ free(ifp->ifa_name);
+ free(ifp->ifa_addr);
+ free(ifp->ifa_netmask);
+ free(ifp->ifa_dstaddr);
freeifaddrs(ifp->ifa_next);
- free(ifp);
+ free(ifp);
+ }
}
static struct sockaddr *sockaddr_dup(struct sockaddr *sa)