diff options
Diffstat (limited to 'arch/s390/kernel/debug.c')
| -rw-r--r-- | arch/s390/kernel/debug.c | 22 | 
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index dca6eaf82c80..1b2f5ce45320 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c  | |||
| @@ -163,7 +163,7 @@ unsigned int debug_feature_version = __DEBUG_FEATURE_VERSION; | |||
| 163 | 163 | ||
| 164 | static debug_info_t *debug_area_first = NULL; | 164 | static debug_info_t *debug_area_first = NULL; | 
| 165 | static debug_info_t *debug_area_last = NULL; | 165 | static debug_info_t *debug_area_last = NULL; | 
| 166 | static DECLARE_MUTEX(debug_lock); | 166 | static DEFINE_MUTEX(debug_mutex); | 
| 167 | 167 | ||
| 168 | static int initialized; | 168 | static int initialized; | 
| 169 | 169 | ||
| @@ -576,7 +576,7 @@ debug_input(struct file *file, const char __user *user_buf, size_t length, | |||
| 576 | int rc = 0; | 576 | int rc = 0; | 
| 577 | file_private_info_t *p_info; | 577 | file_private_info_t *p_info; | 
| 578 | 578 | ||
| 579 | down(&debug_lock); | 579 | mutex_lock(&debug_mutex); | 
| 580 | p_info = ((file_private_info_t *) file->private_data); | 580 | p_info = ((file_private_info_t *) file->private_data); | 
| 581 | if (p_info->view->input_proc) | 581 | if (p_info->view->input_proc) | 
| 582 | rc = p_info->view->input_proc(p_info->debug_info_org, | 582 | rc = p_info->view->input_proc(p_info->debug_info_org, | 
| @@ -584,7 +584,7 @@ debug_input(struct file *file, const char __user *user_buf, size_t length, | |||
| 584 | length, offset); | 584 | length, offset); | 
| 585 | else | 585 | else | 
| 586 | rc = -EPERM; | 586 | rc = -EPERM; | 
| 587 | up(&debug_lock); | 587 | mutex_unlock(&debug_mutex); | 
| 588 | return rc; /* number of input characters */ | 588 | return rc; /* number of input characters */ | 
| 589 | } | 589 | } | 
| 590 | 590 | ||
| @@ -602,7 +602,7 @@ debug_open(struct inode *inode, struct file *file) | |||
| 602 | file_private_info_t *p_info; | 602 | file_private_info_t *p_info; | 
| 603 | debug_info_t *debug_info, *debug_info_snapshot; | 603 | debug_info_t *debug_info, *debug_info_snapshot; | 
| 604 | 604 | ||
| 605 | down(&debug_lock); | 605 | mutex_lock(&debug_mutex); | 
| 606 | debug_info = file->f_path.dentry->d_inode->i_private; | 606 | debug_info = file->f_path.dentry->d_inode->i_private; | 
| 607 | /* find debug view */ | 607 | /* find debug view */ | 
| 608 | for (i = 0; i < DEBUG_MAX_VIEWS; i++) { | 608 | for (i = 0; i < DEBUG_MAX_VIEWS; i++) { | 
| @@ -653,7 +653,7 @@ found: | |||
| 653 | file->private_data = p_info; | 653 | file->private_data = p_info; | 
| 654 | debug_info_get(debug_info); | 654 | debug_info_get(debug_info); | 
| 655 | out: | 655 | out: | 
| 656 | up(&debug_lock); | 656 | mutex_unlock(&debug_mutex); | 
| 657 | return rc; | 657 | return rc; | 
| 658 | } | 658 | } | 
| 659 | 659 | ||
| @@ -688,7 +688,7 @@ debug_register (char *name, int pages_per_area, int nr_areas, int buf_size) | |||
| 688 | 688 | ||
| 689 | if (!initialized) | 689 | if (!initialized) | 
| 690 | BUG(); | 690 | BUG(); | 
| 691 | down(&debug_lock); | 691 | mutex_lock(&debug_mutex); | 
| 692 | 692 | ||
| 693 | /* create new debug_info */ | 693 | /* create new debug_info */ | 
| 694 | 694 | ||
| @@ -702,7 +702,7 @@ out: | |||
| 702 | if (!rc){ | 702 | if (!rc){ | 
| 703 | printk(KERN_ERR "debug: debug_register failed for %s\n",name); | 703 | printk(KERN_ERR "debug: debug_register failed for %s\n",name); | 
| 704 | } | 704 | } | 
| 705 | up(&debug_lock); | 705 | mutex_unlock(&debug_mutex); | 
| 706 | return rc; | 706 | return rc; | 
| 707 | } | 707 | } | 
| 708 | 708 | ||
| @@ -716,9 +716,9 @@ debug_unregister(debug_info_t * id) | |||
| 716 | { | 716 | { | 
| 717 | if (!id) | 717 | if (!id) | 
| 718 | goto out; | 718 | goto out; | 
| 719 | down(&debug_lock); | 719 | mutex_lock(&debug_mutex); | 
| 720 | debug_info_put(id); | 720 | debug_info_put(id); | 
| 721 | up(&debug_lock); | 721 | mutex_unlock(&debug_mutex); | 
| 722 | 722 | ||
| 723 | out: | 723 | out: | 
| 724 | return; | 724 | return; | 
| @@ -1054,11 +1054,11 @@ __init debug_init(void) | |||
| 1054 | int rc = 0; | 1054 | int rc = 0; | 
| 1055 | 1055 | ||
| 1056 | s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); | 1056 | s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); | 
| 1057 | down(&debug_lock); | 1057 | mutex_lock(&debug_mutex); | 
| 1058 | debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL); | 1058 | debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL); | 
| 1059 | printk(KERN_INFO "debug: Initialization complete\n"); | 1059 | printk(KERN_INFO "debug: Initialization complete\n"); | 
| 1060 | initialized = 1; | 1060 | initialized = 1; | 
| 1061 | up(&debug_lock); | 1061 | mutex_unlock(&debug_mutex); | 
| 1062 | 1062 | ||
| 1063 | return rc; | 1063 | return rc; | 
| 1064 | } | 1064 | } | 
