diff options
author | Arjan van de Ven <arjan@infradead.org> | 2006-03-21 06:33:17 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2006-03-21 06:33:17 (GMT) |
commit | 4a3e2f711a00a1feb72ae12fdc749da10179d185 (patch) | |
tree | 76ced9d3270dea4b864da71fa1d4415d2e3c8b11 /net/netfilter | |
parent | d4ccd08cdfa8d34f4d25b62041343c52fc79385f (diff) | |
download | linux-4a3e2f711a00a1feb72ae12fdc749da10179d185.tar.xz |
[NET] sem2mutex: net/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter')
-rw-r--r-- | net/netfilter/nf_sockopt.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c index 61a833a..0e5c5e2 100644 --- a/net/netfilter/nf_sockopt.c +++ b/net/netfilter/nf_sockopt.c @@ -4,6 +4,7 @@ #include <linux/module.h> #include <linux/skbuff.h> #include <linux/netfilter.h> +#include <linux/mutex.h> #include <net/sock.h> #include "nf_internals.h" @@ -11,7 +12,7 @@ /* Sockopts only registered and called from user context, so net locking would be overkill. Also, [gs]etsockopt calls may sleep. */ -static DECLARE_MUTEX(nf_sockopt_mutex); +static DEFINE_MUTEX(nf_sockopt_mutex); static LIST_HEAD(nf_sockopts); /* Do exclusive ranges overlap? */ @@ -26,7 +27,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) struct list_head *i; int ret = 0; - if (down_interruptible(&nf_sockopt_mutex) != 0) + if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) return -EINTR; list_for_each(i, &nf_sockopts) { @@ -48,7 +49,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) list_add(®->list, &nf_sockopts); out: - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); return ret; } EXPORT_SYMBOL(nf_register_sockopt); @@ -57,18 +58,18 @@ void nf_unregister_sockopt(struct nf_sockopt_ops *reg) { /* No point being interruptible: we're probably in cleanup_module() */ restart: - down(&nf_sockopt_mutex); + mutex_lock(&nf_sockopt_mutex); if (reg->use != 0) { /* To be woken by nf_sockopt call... */ /* FIXME: Stuart Young's name appears gratuitously. */ set_current_state(TASK_UNINTERRUPTIBLE); reg->cleanup_task = current; - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); schedule(); goto restart; } list_del(®->list); - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); } EXPORT_SYMBOL(nf_unregister_sockopt); @@ -80,7 +81,7 @@ static int nf_sockopt(struct sock *sk, int pf, int val, struct nf_sockopt_ops *ops; int ret; - if (down_interruptible(&nf_sockopt_mutex) != 0) + if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) return -EINTR; list_for_each(i, &nf_sockopts) { @@ -90,7 +91,7 @@ static int nf_sockopt(struct sock *sk, int pf, int val, if (val >= ops->get_optmin && val < ops->get_optmax) { ops->use++; - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); ret = ops->get(sk, val, opt, len); goto out; } @@ -98,22 +99,22 @@ static int nf_sockopt(struct sock *sk, int pf, int val, if (val >= ops->set_optmin && val < ops->set_optmax) { ops->use++; - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); ret = ops->set(sk, val, opt, *len); goto out; } } } } - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); return -ENOPROTOOPT; out: - down(&nf_sockopt_mutex); + mutex_lock(&nf_sockopt_mutex); ops->use--; if (ops->cleanup_task) wake_up_process(ops->cleanup_task); - up(&nf_sockopt_mutex); + mutex_unlock(&nf_sockopt_mutex); return ret; } |