cred: convert printks to pr_<level>

Use current logging style.

Link: https://lkml.kernel.org/r/20230625033452.GA22858@didi-ThinkCentre-M930t-N000
Signed-off-by: tiozhang <tiozhang@didiglobal.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Paulo Alcantara <pc@cjr.nz>
Cc: Weiping Zhang <zwp10758@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/kernel/cred.c b/kernel/cred.c
index 811ad654abd18c4da2f9a1ef79dd7e404b9cd69b..98cb4eca23fb2fb2722b9e5d00d4a3f8ab51fd23 100644 (file)
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -4,6 +4,9 @@
  * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  */
+
+#define pr_fmt(fmt) "CRED: " fmt
+
 #include <linux/export.h>
 #include <linux/cred.h>
 #include <linux/slab.h>
@@ -835,32 +838,32 @@ EXPORT_SYMBOL(creds_are_invalid);
 static void dump_invalid_creds(const struct cred *cred, const char *label,
                               const struct task_struct *tsk)
 {
-       printk(KERN_ERR "CRED: %s credentials: %p %s%s%s\n",
+       pr_err("%s credentials: %p %s%s%s\n",
               label, cred,
               cred == &init_cred ? "[init]" : "",
               cred == tsk->real_cred ? "[real]" : "",
               cred == tsk->cred ? "[eff]" : "");
-       printk(KERN_ERR "CRED: ->magic=%x, put_addr=%p\n",
+       pr_err("->magic=%x, put_addr=%p\n",
               cred->magic, cred->put_addr);
-       printk(KERN_ERR "CRED: ->usage=%d, subscr=%d\n",
+       pr_err("->usage=%d, subscr=%d\n",
               atomic_read(&cred->usage),
               read_cred_subscribers(cred));
-       printk(KERN_ERR "CRED: ->*uid = { %d,%d,%d,%d }\n",
+       pr_err("->*uid = { %d,%d,%d,%d }\n",
                from_kuid_munged(&init_user_ns, cred->uid),
                from_kuid_munged(&init_user_ns, cred->euid),
                from_kuid_munged(&init_user_ns, cred->suid),
                from_kuid_munged(&init_user_ns, cred->fsuid));
-       printk(KERN_ERR "CRED: ->*gid = { %d,%d,%d,%d }\n",
+       pr_err("->*gid = { %d,%d,%d,%d }\n",
                from_kgid_munged(&init_user_ns, cred->gid),
                from_kgid_munged(&init_user_ns, cred->egid),
                from_kgid_munged(&init_user_ns, cred->sgid),
                from_kgid_munged(&init_user_ns, cred->fsgid));
 #ifdef CONFIG_SECURITY
-       printk(KERN_ERR "CRED: ->security is %p\n", cred->security);
+       pr_err("->security is %p\n", cred->security);
        if ((unsigned long) cred->security >= PAGE_SIZE &&
            (((unsigned long) cred->security & 0xffffff00) !=
             (POISON_FREE << 24 | POISON_FREE << 16 | POISON_FREE << 8)))
-               printk(KERN_ERR "CRED: ->security {%x, %x}\n",
+               pr_err("->security {%x, %x}\n",
                       ((u32*)cred->security)[0],
                       ((u32*)cred->security)[1]);
 #endif
@@ -871,8 +874,8 @@ static void dump_invalid_creds(const struct cred *cred, const char *label,
  */
 void __noreturn __invalid_creds(const struct cred *cred, const char *file, unsigned line)
 {
-       printk(KERN_ERR "CRED: Invalid credentials\n");
-       printk(KERN_ERR "CRED: At %s:%u\n", file, line);
+       pr_err("Invalid credentials\n");
+       pr_err("At %s:%u\n", file, line);
        dump_invalid_creds(cred, "Specified", current);
        BUG();
 }
@@ -898,14 +901,14 @@ void __validate_process_creds(struct task_struct *tsk,
        return;
 
 invalid_creds:
-       printk(KERN_ERR "CRED: Invalid process credentials\n");
-       printk(KERN_ERR "CRED: At %s:%u\n", file, line);
+       pr_err("Invalid process credentials\n");
+       pr_err("At %s:%u\n", file, line);
 
        dump_invalid_creds(tsk->real_cred, "Real", tsk);
        if (tsk->cred != tsk->real_cred)
                dump_invalid_creds(tsk->cred, "Effective", tsk);
        else
-               printk(KERN_ERR "CRED: Effective creds == Real creds\n");
+               pr_err("Effective creds == Real creds\n");
        BUG();
 }
 EXPORT_SYMBOL(__validate_process_creds);