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net: check return value for dst_alloc 

return value of dst_alloc must be checked before use

Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Madalin Bucur 2011-09-26 07:04:36 +00:00 committed by David S. Miller
parent 2015de5fe2
commit d4cae56219
1 changed files with 6 additions and 4 deletions
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10
net/xfrm/xfrm_policy.c
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@ -1349,14 +1349,16 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
BUG();
}
xdst = dst_alloc(dst_ops, NULL, 0, 0, 0);
memset(&xdst->u.rt6.rt6i_table, 0, sizeof(*xdst) - sizeof(struct dst_entry));
xfrm_policy_put_afinfo(afinfo);
if (likely(xdst))
if (likely(xdst)) {
memset(&xdst->u.rt6.rt6i_table, 0,
sizeof(*xdst) - sizeof(struct dst_entry));
xdst->flo.ops = &xfrm_bundle_fc_ops;
else
} else
xdst = ERR_PTR(-ENOBUFS);
xfrm_policy_put_afinfo(afinfo);
return xdst;
}