diff options
| -rw-r--r-- | drivers/misc/lkdtm.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index 49c7a23f02fc..e910b3c5331c 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -30,6 +30,7 @@ * * See Documentation/fault-injection/provoke-crashes.txt for instructions */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> #include <linux/fs.h> @@ -493,8 +494,8 @@ static void lkdtm_handler(void) spin_lock_irqsave(&count_lock, flags); count--; - printk(KERN_INFO "lkdtm: Crash point %s of type %s hit, trigger in %d rounds\n", - cp_name_to_str(cpoint), cp_type_to_str(cptype), count); + pr_info("Crash point %s of type %s hit, trigger in %d rounds\n", + cp_name_to_str(cpoint), cp_type_to_str(cptype), count); if (count == 0) { do_it = true; @@ -551,18 +552,18 @@ static int lkdtm_register_cpoint(enum cname which) lkdtm.kp.symbol_name = "generic_ide_ioctl"; lkdtm.entry = (kprobe_opcode_t*) jp_generic_ide_ioctl; #else - printk(KERN_INFO "lkdtm: Crash point not available\n"); + pr_info("Crash point not available\n"); return -EINVAL; #endif break; default: - printk(KERN_INFO "lkdtm: Invalid Crash Point\n"); + pr_info("Invalid Crash Point\n"); return -EINVAL; } cpoint = which; if ((ret = register_jprobe(&lkdtm)) < 0) { - printk(KERN_INFO "lkdtm: Couldn't register jprobe\n"); + pr_info("Couldn't register jprobe\n"); cpoint = CN_INVALID; } @@ -709,8 +710,7 @@ static ssize_t direct_entry(struct file *f, const char __user *user_buf, if (type == CT_NONE) return -EINVAL; - printk(KERN_INFO "lkdtm: Performing direct entry %s\n", - cp_type_to_str(type)); + pr_info("Performing direct entry %s\n", cp_type_to_str(type)); lkdtm_do_action(type); *off += count; @@ -772,7 +772,7 @@ static int __init lkdtm_module_init(void) /* Register debugfs interface */ lkdtm_debugfs_root = debugfs_create_dir("provoke-crash", NULL); if (!lkdtm_debugfs_root) { - printk(KERN_ERR "lkdtm: creating root dir failed\n"); + pr_err("creating root dir failed\n"); return -ENODEV; } @@ -787,28 +787,26 @@ static int __init lkdtm_module_init(void) de = debugfs_create_file(cur->name, 0644, lkdtm_debugfs_root, NULL, &cur->fops); if (de == NULL) { - printk(KERN_ERR "lkdtm: could not create %s\n", - cur->name); + pr_err("could not create %s\n", cur->name); goto out_err; } } if (lkdtm_parse_commandline() == -EINVAL) { - printk(KERN_INFO "lkdtm: Invalid command\n"); + pr_info("Invalid command\n"); goto out_err; } if (cpoint != CN_INVALID && cptype != CT_NONE) { ret = lkdtm_register_cpoint(cpoint); if (ret < 0) { - printk(KERN_INFO "lkdtm: Invalid crash point %d\n", - cpoint); + pr_info("Invalid crash point %d\n", cpoint); goto out_err; } - printk(KERN_INFO "lkdtm: Crash point %s of type %s registered\n", - cpoint_name, cpoint_type); + pr_info("Crash point %s of type %s registered\n", + cpoint_name, cpoint_type); } else { - printk(KERN_INFO "lkdtm: No crash points registered, enable through debugfs\n"); + pr_info("No crash points registered, enable through debugfs\n"); } return 0; @@ -823,7 +821,7 @@ static void __exit lkdtm_module_exit(void) debugfs_remove_recursive(lkdtm_debugfs_root); unregister_jprobe(&lkdtm); - printk(KERN_INFO "lkdtm: Crash point unregistered\n"); + pr_info("Crash point unregistered\n"); } module_init(lkdtm_module_init); |