diff options
Diffstat (limited to 'net/x25/x25_out.c')
| -rw-r--r-- | net/x25/x25_out.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/net/x25/x25_out.c b/net/x25/x25_out.c index 6f573785391..0144271d218 100644 --- a/net/x25/x25_out.c +++ b/net/x25/x25_out.c @@ -22,6 +22,7 @@ * needed cleaned seq-number fields. */ +#include <linux/slab.h> #include <linux/socket.h> #include <linux/kernel.h> #include <linux/string.h> @@ -61,14 +62,17 @@ int x25_output(struct sock *sk, struct sk_buff *skb) if (skb->len - header_len > max_len) { /* Save a copy of the Header */ - memcpy(header, skb->data, header_len); + skb_copy_from_linear_data(skb, header, header_len); skb_pull(skb, header_len); frontlen = skb_headroom(skb); while (skb->len > 0) { - if ((skbn = sock_alloc_send_skb(sk, frontlen + max_len, - noblock, &err)) == NULL){ + release_sock(sk); + skbn = sock_alloc_send_skb(sk, frontlen + max_len, + noblock, &err); + lock_sock(sk); + if (!skbn) { if (err == -EWOULDBLOCK && noblock){ kfree_skb(skb); return sent; @@ -84,12 +88,12 @@ int x25_output(struct sock *sk, struct sk_buff *skb) len = max_len > skb->len ? skb->len : max_len; /* Copy the user data */ - memcpy(skb_put(skbn, len), skb->data, len); + skb_copy_from_linear_data(skb, skb_put(skbn, len), len); skb_pull(skb, len); /* Duplicate the Header */ skb_push(skbn, header_len); - memcpy(skbn->data, header, header_len); + skb_copy_to_linear_data(skbn, header, header_len); if (skb->len > 0) { if (x25->neighbour->extended) @@ -147,8 +151,9 @@ void x25_kick(struct sock *sk) /* * Transmit interrupt data. */ - if (!x25->intflag && skb_peek(&x25->interrupt_out_queue) != NULL) { - x25->intflag = 1; + if (skb_peek(&x25->interrupt_out_queue) != NULL && + !test_and_set_bit(X25_INTERRUPT_FLAG, &x25->flags)) { + skb = skb_dequeue(&x25->interrupt_out_queue); x25_transmit_link(skb, x25->neighbour); } |