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[IPV4/6]: Fix UFO error propagation 

When ufo_append_data fails err is uninitialized, but returned back.
Strangely gcc doesn't notice it.

Coverity #901 and #902

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
wifi-calibration
Patrick McHardy 2006-03-12 20:35:12 -08:00 committed by David S. Miller
parent 4a1ff6e2bd
commit baa829d892
2 changed files with 8 additions and 6 deletions
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7
net/ipv4/ip_output.c
View File

@ -847,10 +847,11 @@ int ip_append_data(struct sock *sk,
if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
(rt->u.dst.dev->features & NETIF_F_UFO)) {
if(ip_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu, flags))
err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu,
flags);
if (err)
goto error;
return 0;
}

7
net/ipv6/ip6_output.c
View File

@ -944,10 +944,11 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
(rt->u.dst.dev->features & NETIF_F_UFO)) {
if(ip6_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu, flags))
err = ip6_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu,
flags);
if (err)
goto error;
return 0;
}