fs/cachefiles: replace kerror by pr_err

Also add pr_fmt in internal.h

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/cachefiles/security.c b/fs/cachefiles/security.c
index 7a6b665..396c18e 100644
--- a/fs/cachefiles/security.c
+++ b/fs/cachefiles/security.c
@@ -34,7 +34,7 @@
 		ret = set_security_override_from_ctx(new, cache->secctx);
 		if (ret < 0) {
 			put_cred(new);
-			pr_err("CacheFiles: Security denies permission to nominate security context: error %d\n",
+			pr_err("Security denies permission to nominate security context: error %d\n",
 			       ret);
 			goto error;
 		}
@@ -57,14 +57,14 @@
 
 	ret = security_inode_mkdir(root->d_inode, root, 0);
 	if (ret < 0) {
-		pr_err("CacheFiles: Security denies permission to make dirs: error %d",
+		pr_err("Security denies permission to make dirs: error %d",
 		       ret);
 		return ret;
 	}
 
 	ret = security_inode_create(root->d_inode, root, 0);
 	if (ret < 0)
-		pr_err("CacheFiles: Security denies permission to create files: error %d",
+		pr_err("Security denies permission to create files: error %d",
 		       ret);
 
 	return ret;