diff options
| author | phk <phk@FreeBSD.org> | 1996-03-25 17:41:23 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1996-03-25 17:41:23 +0000 |
| commit | 8e228c5ec3f0a49cb5d3d00c708213ef2f841a92 (patch) | |
| tree | 8315c1528ef8dfd8f89810fd568a3417c0a94a0a /sys/netinet/ip_input.c | |
| parent | 2f862644fc587fdd7916d765092abe6590870b27 (diff) | |
| download | FreeBSD-src-8e228c5ec3f0a49cb5d3d00c708213ef2f841a92.zip FreeBSD-src-8e228c5ec3f0a49cb5d3d00c708213ef2f841a92.tar.gz | |
Check the validity of ia->ia_ifp before we dereference it.
Diffstat (limited to 'sys/netinet/ip_input.c')
| -rw-r--r-- | sys/netinet/ip_input.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c index 04de9cb..38ee8c9 100644 --- a/sys/netinet/ip_input.c +++ b/sys/netinet/ip_input.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 - * $Id: ip_input.c,v 1.37 1996/02/24 00:17:34 phk Exp $ + * $Id: ip_input.c,v 1.38 1996/02/24 13:38:28 phk Exp $ */ #include <sys/param.h> @@ -299,7 +299,7 @@ ip_input(struct mbuf *m) if (IA_SIN(ia)->sin_addr.s_addr == ip->ip_dst.s_addr) goto ours; - if (ia->ia_ifp->if_flags & IFF_BROADCAST) { + if (ia->ia_ifp && ia->ia_ifp->if_flags & IFF_BROADCAST) { #if 0 u_long t; #endif |
