[PATCH] sem2mutex: drivers/char/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 1533f56..2700c5c 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -42,6 +42,7 @@
#include <linux/completion.h>
#include <asm/uaccess.h>
#include <linux/usb.h>
+#include <linux/mutex.h>
#ifdef CONFIG_USB_DEBUG
@@ -143,7 +144,7 @@
static struct usb_pcwd_private *usb_pcwd_device;
/* prevent races between open() and disconnect() */
-static DECLARE_MUTEX (disconnect_sem);
+static DEFINE_MUTEX(disconnect_mutex);
/* local function prototypes */
static int usb_pcwd_probe (struct usb_interface *interface, const struct usb_device_id *id);
@@ -723,7 +724,7 @@
struct usb_pcwd_private *usb_pcwd;
/* prevent races with open() */
- down (&disconnect_sem);
+ mutex_lock(&disconnect_mutex);
usb_pcwd = usb_get_intfdata (interface);
usb_set_intfdata (interface, NULL);
@@ -749,7 +750,7 @@
cards_found--;
- up (&disconnect_sem);
+ mutex_unlock(&disconnect_mutex);
printk(KERN_INFO PFX "USB PC Watchdog disconnected\n");
}