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[PATCH] w1: Use mutexes instead of semaphores.

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Use mutexes instead of semaphores.
Patch tested on x86_64 and i386 with test bus master driver.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Evgeniy Polyakov
2006-04-03 12:04:27 +04:00
committed by Greg Kroah-Hartman
parent 46e07f6e5e
commit abd52a1320
8 changed files with 70 additions and 127 deletions
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4
drivers/w1/w1_netlink.c
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@@ -171,7 +171,7 @@ static void w1_cn_callback(void *data)
goto out_cont;
}
down(&dev->mutex);
mutex_lock(&dev->mutex);
if (sl && w1_reset_select_slave(sl)) {
err = -ENODEV;
@@ -198,7 +198,7 @@ out_up:
atomic_dec(&dev->refcnt);
if (sl)
atomic_dec(&sl->refcnt);
up(&dev->mutex);
mutex_unlock(&dev->mutex);
out_cont:
msg->len -= sizeof(struct w1_netlink_msg) + m->len;
m = (struct w1_netlink_msg *)(((u8 *)m) + sizeof(struct w1_netlink_msg) + m->len);