[AGPGART] Semaphore to Mutex conversion.

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: Dave Jones <davej@redhat.com>

2 files changed, 16 insertions, 15 deletions

diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index 17f520c9d471..97eeb2345b18 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -592,7 +592,7 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
         struct agp_file_private *priv = file->private_data;
         struct agp_kern_info kerninfo;
 
-        down(&(agp_fe.agp_mutex));
+        mutex_lock(&(agp_fe.agp_mutex));
 
         if (agp_fe.backend_acquired != TRUE)
                 goto out_eperm;
@@ -627,7 +627,7 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
                                             size, vma->vm_page_prot)) {
                         goto out_again;
                 }
-                up(&(agp_fe.agp_mutex));
+                mutex_unlock(&(agp_fe.agp_mutex));
                 return 0;
         }
 
@@ -643,20 +643,20 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
                                             size, vma->vm_page_prot)) {
                         goto out_again;
                 }
-                up(&(agp_fe.agp_mutex));
+                mutex_unlock(&(agp_fe.agp_mutex));
                 return 0;
         }
 
 out_eperm:
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return -EPERM;
 
 out_inval:
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return -EINVAL;
 
 out_again:
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return -EAGAIN;
 }
 
@@ -664,7 +664,7 @@ static int agp_release(struct inode *inode, struct file *file)
 {
         struct agp_file_private *priv = file->private_data;
 
-        down(&(agp_fe.agp_mutex));
+        mutex_lock(&(agp_fe.agp_mutex));
 
         DBG("priv=%p", priv);
 
@@ -687,7 +687,7 @@ static int agp_release(struct inode *inode, struct file *file)
         agp_remove_file_private(priv);
         kfree(priv);
         file->private_data = NULL;
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return 0;
 }
 
@@ -698,7 +698,7 @@ static int agp_open(struct inode *inode, struct file *file)
         struct agp_client *client;
         int rc = -ENXIO;
 
-        down(&(agp_fe.agp_mutex));
+        mutex_lock(&(agp_fe.agp_mutex));
 
         if (minor != AGPGART_MINOR)
                 goto err_out;
@@ -723,13 +723,13 @@ static int agp_open(struct inode *inode, struct file *file)
         file->private_data = (void *) priv;
         agp_insert_file_private(priv);
         DBG("private=%p, client=%p", priv, client);
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return 0;
 
 err_out_nomem:
         rc = -ENOMEM;
 err_out:
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return rc;
 }
 
@@ -985,7 +985,7 @@ static int agp_ioctl(struct inode *inode, struct file *file,
         int ret_val = -ENOTTY;
 
         DBG("priv=%p, cmd=%x", curr_priv, cmd);
-        down(&(agp_fe.agp_mutex));
+        mutex_lock(&(agp_fe.agp_mutex));
 
         if ((agp_fe.current_controller == NULL) &&
             (cmd != AGPIOC_ACQUIRE)) {
@@ -1055,7 +1055,7 @@ static int agp_ioctl(struct inode *inode, struct file *file,
 
 ioctl_out:
         DBG("ioctl returns %d\n", ret_val);
-        up(&(agp_fe.agp_mutex));
+        mutex_unlock(&(agp_fe.agp_mutex));
         return ret_val;
 }
 
@@ -1081,7 +1081,7 @@ static struct miscdevice agp_miscdev =
 int agp_frontend_initialize(void)
 {
         memset(&agp_fe, 0, sizeof(struct agp_front_data));
-        sema_init(&(agp_fe.agp_mutex), 1);
+        mutex_init(&(agp_fe.agp_mutex));
 
         if (misc_register(&agp_miscdev)) {
                 printk(KERN_ERR PFX "unable to get minor: %d\n", AGPGART_MINOR);
diff --git a/include/linux/agpgart.h b/include/linux/agpgart.h
index 17a17c55a17f..6d59c8efe3be 100644
--- a/include/linux/agpgart.h
+++ b/include/linux/agpgart.h
@@ -111,6 +111,7 @@ typedef struct _agp_unbind {
 } agp_unbind;
 
 #else                           /* __KERNEL__ */
+#include <linux/mutex.h>
 
 #define AGPGART_MINOR 175
 
@@ -201,7 +202,7 @@ struct agp_file_private {
 };
 
 struct agp_front_data {
-        struct semaphore agp_mutex;
+        struct mutex agp_mutex;
         struct agp_controller *current_controller;
         struct agp_controller *controllers;
         struct agp_file_private *file_priv_list;