From 168678233ca45af3f74fef60c4265fa5dd217e29 Mon Sep 17 00:00:00 2001 From: "akpm@osdl.org" Date: Fri, 13 Jan 2006 15:51:02 -0800 Subject: [PATCH] [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 Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Dave Jones --- drivers/char/agp/frontend.c | 28 ++++++++++++++-------------- include/linux/agpgart.h | 3 ++- 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 #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; -- 2.20.1