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lkdtm: convert to using pr_* for reports

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Move to using pr_* calls instead of printk calls for reporting.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kees Cook 2014-02-09 13:48:46 -08:00 committed by Greg Kroah-Hartman
parent 6bb948c9e5
commit feac6e2146
1 changed files with 15 additions and 17 deletions
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32
drivers/misc/lkdtm.c
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@ -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);