AuxXxilium/linux_dsm_epyc7002
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[IPV6]: Make sure error handling is done when calling ip6_route_output().

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As ip6_route_output() never returns NULL, error checking must be done by
looking at dst->error in stead of comparing dst against NULL.

Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ville Nuorvala 2006-10-16 22:10:05 -07:00 committed by David S. Miller
parent 23c435f7ff
commit 4251320fa2
2 changed files with 12 additions and 10 deletions
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12
net/ipv6/xfrm6_policy.c
View File

@ -25,12 +25,14 @@
static struct dst_ops xfrm6_dst_ops;
static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
static int xfrm6_dst_lookup(struct xfrm_dst **dst, struct flowi *fl)
static int xfrm6_dst_lookup(struct xfrm_dst **xdst, struct flowi *fl)
{
int err = 0;
*dst = (struct xfrm_dst*)ip6_route_output(NULL, fl);
if (!*dst)
err = -ENETUNREACH;
struct dst_entry *dst = ip6_route_output(NULL, fl);
int err = dst->error;
if (!err)
*xdst = (struct xfrm_dst *) dst;
else
dst_release(dst);
return err;
}

10
net/sctp/ipv6.c
View File

@ -215,17 +215,17 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
}
dst = ip6_route_output(NULL, &fl);
if (dst) {
if (!dst->error) {
struct rt6_info *rt;
rt = (struct rt6_info *)dst;
SCTP_DEBUG_PRINTK(
"rt6_dst:" NIP6_FMT " rt6_src:" NIP6_FMT "\n",
NIP6(rt->rt6i_dst.addr), NIP6(rt->rt6i_src.addr));
} else {
SCTP_DEBUG_PRINTK("NO ROUTE\n");
return dst;
}
return dst;
SCTP_DEBUG_PRINTK("NO ROUTE\n");
dst_release(dst);
return NULL;
}
/* Returns the number of consecutive initial bits that match in the 2 ipv6