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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-03-13 16:04:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-13 16:04:12 -0700 |
| commit | 8db09f26f912f7c90c764806e804b558da520d4f (patch) | |
| tree | a02b562f75c862306aebbfa207bcdb1657a87bd9 /net/x25 | |
| parent | 73ce7b01b4496a5fbf9caf63033c874be692333f (diff) | |
| download | lwn-8db09f26f912f7c90c764806e804b558da520d4f.tar.gz lwn-8db09f26f912f7c90c764806e804b558da520d4f.zip | |
x25: '< 0' and '>= 0' test on unsigned
skb->len is an unsigned int, so the test in x25_rx_call_request() always
evaluates to true.
len in x25_sendmsg() is unsigned as well. so -ERRORS returned by x25_output()
are not noticed.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/x25')
| -rw-r--r-- | net/x25/af_x25.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 1000e9a26fdb..9ca17b1ce52e 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -951,10 +951,8 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Incoming Call User Data. */ - if (skb->len >= 0) { - skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); - makex25->calluserdata.cudlength = skb->len; - } + skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); + makex25->calluserdata.cudlength = skb->len; sk->sk_ack_backlog++; @@ -1122,8 +1120,9 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, if (msg->msg_flags & MSG_OOB) skb_queue_tail(&x25->interrupt_out_queue, skb); else { - len = x25_output(sk, skb); - if (len < 0) + rc = x25_output(sk, skb); + len = rc; + if (rc < 0) kfree_skb(skb); else if (x25->qbitincl) len++; |