[PATCH] w1: Use mutexes instead of semaphores.
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>
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index d539e09..65c5ebd 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -171,7 +171,7 @@
goto out_cont;
}
- down(&dev->mutex);
+ mutex_lock(&dev->mutex);
if (sl && w1_reset_select_slave(sl)) {
err = -ENODEV;
@@ -198,7 +198,7 @@
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);