[NETFILTER]: nfnetlink: use mutex instead of semaphore

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2007-03-14 16:39:25 -07:00
committed by David S. Miller
parent c6a1e615d1
commit a3c5029cf7
3 changed files with 25 additions and 28 deletions

View File

@@ -129,19 +129,6 @@ extern void __nfa_fill(struct sk_buff *skb, int attrtype,
({ if (skb_tailroom(skb) < (int)NFA_SPACE(attrlen)) goto nfattr_failure; \
__nfa_fill(skb, attrtype, attrlen, data); })
extern struct semaphore nfnl_sem;
#define nfnl_shlock() down(&nfnl_sem)
#define nfnl_shlock_nowait() down_trylock(&nfnl_sem)
#define nfnl_shunlock() do { up(&nfnl_sem); \
if(nfnl && nfnl->sk_receive_queue.qlen) \
nfnl->sk_data_ready(nfnl, 0); \
} while(0)
extern void nfnl_lock(void);
extern void nfnl_unlock(void);
extern int nfnetlink_subsys_register(struct nfnetlink_subsystem *n);
extern int nfnetlink_subsys_unregister(struct nfnetlink_subsystem *n);