capability: Use current logging styles

Prefix logging output with "capability: " via pr_fmt.
Convert printks to pr_<level>.
Use pr_<level>_once instead of guard flags.
Coalesce formats.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>

diff --git a/kernel/capability.c b/kernel/capability.c
index 4e66bf9..d6a6c91 100644 (file)
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -7,6 +7,8 @@
  * 30 May 2002:        Cleanup, Robert M. Love <rml@tech9.net>
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/audit.h>
 #include <linux/capability.h>
 #include <linux/mm.h>
@@ -42,15 +44,10 @@ __setup("no_file_caps", file_caps_disable);
 
 static void warn_legacy_capability_use(void)
 {
-       static int warned;
-       if (!warned) {
-               char name[sizeof(current->comm)];
-
-               printk(KERN_INFO "warning: `%s' uses 32-bit capabilities"
-                      " (legacy support in use)\n",
-                      get_task_comm(name, current));
-               warned = 1;
-       }
+       char name[sizeof(current->comm)];
+
+       pr_info_once("warning: `%s' uses 32-bit capabilities (legacy support in use)\n",
+                    get_task_comm(name, current));
 }
 
 /*
@@ -71,16 +68,10 @@ static void warn_legacy_capability_use(void)
 
 static void warn_deprecated_v2(void)
 {
-       static int warned;
+       char name[sizeof(current->comm)];
 
-       if (!warned) {
-               char name[sizeof(current->comm)];
-
-               printk(KERN_INFO "warning: `%s' uses deprecated v2"
-                      " capabilities in a way that may be insecure.\n",
-                      get_task_comm(name, current));
-               warned = 1;
-       }
+       pr_info_once("warning: `%s' uses deprecated v2 capabilities in a way that may be insecure\n",
+                    get_task_comm(name, current));
 }
 
 /*
@@ -380,7 +371,7 @@ bool has_capability_noaudit(struct task_struct *t, int cap)
 bool ns_capable(struct user_namespace *ns, int cap)
 {
        if (unlikely(!cap_valid(cap))) {
-               printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap);
+               pr_crit("capable() called with invalid cap=%u\n", cap);
                BUG();
        }