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| author | andrew hendry <andrew.hendry@gmail.com> | 2010-05-16 22:59:41 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-17 17:39:26 -0700 |
| commit | cb863ffd4a04f9f8619f52c01d472a64ccc716bd (patch) | |
| tree | c65de60a93641c36057b1e10accda36a54f64d76 | |
| parent | c89af1a30870e04986e2c8d24c0c765de0935f4b (diff) | |
| download | kernel_samsung_smdk4412-cb863ffd4a04f9f8619f52c01d472a64ccc716bd.zip kernel_samsung_smdk4412-cb863ffd4a04f9f8619f52c01d472a64ccc716bd.tar.gz kernel_samsung_smdk4412-cb863ffd4a04f9f8619f52c01d472a64ccc716bd.tar.bz2 | |
X25: Move qbit flag to bitfield
Moves the X25 q bit flag from char into a bitfield to allow BKL cleanup.
Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/x25.h | 6 | ||||
| -rw-r--r-- | net/x25/af_x25.c | 17 |
2 files changed, 15 insertions, 8 deletions
diff --git a/include/net/x25.h b/include/net/x25.h index 468551e..7b5795e 100644 --- a/include/net/x25.h +++ b/include/net/x25.h @@ -113,6 +113,9 @@ enum { #define X25_MAX_AE_LEN 40 /* Max num of semi-octets in AE - OSI Nw */ #define X25_MAX_DTE_FACIL_LEN 21 /* Max length of DTE facility params */ +/* Bitset in x25_sock->flags for misc flags */ +#define X25_Q_BIT_FLAG 0 + /** * struct x25_route - x25 routing entry * @node - entry in x25_list_lock @@ -146,10 +149,11 @@ struct x25_sock { struct x25_address source_addr, dest_addr; struct x25_neigh *neighbour; unsigned int lci, cudmatchlength; - unsigned char state, condition, qbitincl, intflag, accptapprv; + unsigned char state, condition, intflag, accptapprv; unsigned short vs, vr, va, vl; unsigned long t2, t21, t22, t23; unsigned short fraglen; + unsigned long flags; struct sk_buff_head ack_queue; struct sk_buff_head fragment_queue; struct sk_buff_head interrupt_in_queue; diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 296e65e..720534c 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -465,7 +465,10 @@ static int x25_setsockopt(struct socket *sock, int level, int optname, if (get_user(opt, (int __user *)optval)) goto out; - x25_sk(sk)->qbitincl = !!opt; + if (opt) + set_bit(X25_Q_BIT_FLAG, &x25_sk(sk)->flags); + else + clear_bit(X25_Q_BIT_FLAG, &x25_sk(sk)->flags); rc = 0; out: unlock_kernel(); @@ -496,7 +499,7 @@ static int x25_getsockopt(struct socket *sock, int level, int optname, if (put_user(len, optlen)) goto out; - val = x25_sk(sk)->qbitincl; + val = test_bit(X25_Q_BIT_FLAG, &x25_sk(sk)->flags); rc = copy_to_user(optval, &val, len) ? -EFAULT : 0; out: unlock_kernel(); @@ -632,8 +635,8 @@ static struct sock *x25_make_new(struct sock *osk) x25->t22 = ox25->t22; x25->t23 = ox25->t23; x25->t2 = ox25->t2; + x25->flags = ox25->flags; x25->facilities = ox25->facilities; - x25->qbitincl = ox25->qbitincl; x25->dte_facilities = ox25->dte_facilities; x25->cudmatchlength = ox25->cudmatchlength; x25->accptapprv = ox25->accptapprv; @@ -1186,7 +1189,7 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, * If the Q BIT Include socket option is in force, the first * byte of the user data is the logical value of the Q Bit. */ - if (x25->qbitincl) { + if (test_bit(X25_Q_BIT_FLAG, &x25->flags)) { qbit = skb->data[0]; skb_pull(skb, 1); } @@ -1242,7 +1245,7 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, len = rc; if (rc < 0) kfree_skb(skb); - else if (x25->qbitincl) + else if (test_bit(X25_Q_BIT_FLAG, &x25->flags)) len++; } @@ -1307,7 +1310,7 @@ static int x25_recvmsg(struct kiocb *iocb, struct socket *sock, /* * No Q bit information on Interrupt data. */ - if (x25->qbitincl) { + if (test_bit(X25_Q_BIT_FLAG, &x25->flags)) { asmptr = skb_push(skb, 1); *asmptr = 0x00; } @@ -1325,7 +1328,7 @@ static int x25_recvmsg(struct kiocb *iocb, struct socket *sock, skb_pull(skb, x25->neighbour->extended ? X25_EXT_MIN_LEN : X25_STD_MIN_LEN); - if (x25->qbitincl) { + if (test_bit(X25_Q_BIT_FLAG, &x25->flags)) { asmptr = skb_push(skb, 1); *asmptr = qbit; } |