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Check pointer for NULL before dereferencing it, not after.

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PR:		138390
Submitted by:	Patroklos Argyroudis <argp@census-labs.com>
MFC after:	1 week
This commit is contained in:
Christian Brueffer 2009-10-22 06:17:04 +00:00
parent e6fa23b0da
commit 4382b0681e
1 changed files with 2 additions and 2 deletions
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4
sys/net/if_gif.c
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@ -507,7 +507,7 @@ gif_input(m, af, ifp)
struct ifnet *ifp;
{
int isr, n;
struct gif_softc *sc = ifp->if_softc;
struct gif_softc *sc;
struct etherip_header *eip;
struct ether_header *eh;
struct ifnet *oldifp;
@ -517,7 +517,7 @@ gif_input(m, af, ifp)
m_freem(m);
return;
}
sc = ifp->if_softc;
m->m_pkthdr.rcvif = ifp;
#ifdef MAC