[PATCH] sem2mutex: drivers/mtd/

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: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 16 insertions, 16 deletions

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 840dd66ce2dc..458d3c8ae1ee 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -19,12 +19,12 @@
 #include <linux/spinlock.h>
 #include <linux/hdreg.h>
 #include <linux/init.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 static LIST_HEAD(blktrans_majors);
 
-extern struct semaphore mtd_table_mutex;
+extern struct mutex mtd_table_mutex;
 extern struct mtd_info *mtd_table[];
 
 struct mtd_blkcore_priv {
@@ -122,9 +122,9 @@ static int mtd_blktrans_thread(void *arg)
 
                 spin_unlock_irq(rq->queue_lock);
 
-                down(&dev->sem);
+                mutex_lock(&dev->lock);
                 res = do_blktrans_request(tr, dev, req);
-                up(&dev->sem);
+                mutex_unlock(&dev->lock);
 
                 spin_lock_irq(rq->queue_lock);
 
@@ -235,8 +235,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
         int last_devnum = -1;
         struct gendisk *gd;
 
-        if (!down_trylock(&mtd_table_mutex)) {
-                up(&mtd_table_mutex);
+        if (!!mutex_trylock(&mtd_table_mutex)) {
+                mutex_unlock(&mtd_table_mutex);
                 BUG();
         }
 
@@ -267,7 +267,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
                 return -EBUSY;
         }
 
-        init_MUTEX(&new->sem);
+        mutex_init(&new->lock);
         list_add_tail(&new->list, &tr->devs);
  added:
         if (!tr->writesect)
@@ -313,8 +313,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 
 int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 {
-        if (!down_trylock(&mtd_table_mutex)) {
-                up(&mtd_table_mutex);
+        if (!!mutex_trylock(&mtd_table_mutex)) {
+                mutex_unlock(&mtd_table_mutex);
                 BUG();
         }
 
@@ -378,14 +378,14 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
 
         memset(tr->blkcore_priv, 0, sizeof(*tr->blkcore_priv));
 
-        down(&mtd_table_mutex);
+        mutex_lock(&mtd_table_mutex);
 
         ret = register_blkdev(tr->major, tr->name);
         if (ret) {
                 printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n",
                        tr->name, tr->major, ret);
                 kfree(tr->blkcore_priv);
-                up(&mtd_table_mutex);
+                mutex_unlock(&mtd_table_mutex);
                 return ret;
         }
         spin_lock_init(&tr->blkcore_priv->queue_lock);
@@ -396,7 +396,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
         if (!tr->blkcore_priv->rq) {
                 unregister_blkdev(tr->major, tr->name);
                 kfree(tr->blkcore_priv);
-                up(&mtd_table_mutex);
+                mutex_unlock(&mtd_table_mutex);
                 return -ENOMEM;
         }
 
@@ -407,7 +407,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
                 blk_cleanup_queue(tr->blkcore_priv->rq);
                 unregister_blkdev(tr->major, tr->name);
                 kfree(tr->blkcore_priv);
-                up(&mtd_table_mutex);
+                mutex_unlock(&mtd_table_mutex);
                 return ret;
         }
 
@@ -419,7 +419,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
                         tr->add_mtd(tr, mtd_table[i]);
         }
 
-        up(&mtd_table_mutex);
+        mutex_unlock(&mtd_table_mutex);
 
         return 0;
 }
@@ -428,7 +428,7 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
 {
         struct list_head *this, *next;
 
-        down(&mtd_table_mutex);
+        mutex_lock(&mtd_table_mutex);
 
         /* Clean up the kernel thread */
         tr->blkcore_priv->exiting = 1;
@@ -446,7 +446,7 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
         blk_cleanup_queue(tr->blkcore_priv->rq);
         unregister_blkdev(tr->major, tr->name);
 
-        up(&mtd_table_mutex);
+        mutex_unlock(&mtd_table_mutex);
 
         kfree(tr->blkcore_priv);