dynamic_printk: reduce one level of indentation

Cleanup pr_debug_write() to reduce one level of indentation.

Cc: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

lib/dynamic_printk.c

@@ -277,13 +277,10 @@ static ssize_t pr_debug_write(struct file *file, const char __user *buf,
 				dynamic_enabled = DYNAMIC_ENABLED_NONE;
 			}
 			err = 0;
-		} else {
-			if (elem) {
+		} else if (elem) {
 			if (value && (elem->enable == 0)) {
-					dynamic_printk_enabled |=
-							(1LL << elem->hash1);
-					dynamic_printk_enabled2 |=
-							(1LL << elem->hash2);
+				dynamic_printk_enabled |= (1LL << elem->hash1);
+				dynamic_printk_enabled2 |= (1LL << elem->hash2);
 				elem->enable = 1;
 				num_enabled++;
 				dynamic_enabled = DYNAMIC_ENABLED_SOME;
@@ -301,16 +298,13 @@ static ssize_t pr_debug_write(struct file *file, const char __user *buf,
 					dynamic_printk_enabled2 &=
 							~(1LL << elem->hash2);
 				if (num_enabled)
-						dynamic_enabled =
-							DYNAMIC_ENABLED_SOME;
+					dynamic_enabled = DYNAMIC_ENABLED_SOME;
 				else
-						dynamic_enabled =
-							DYNAMIC_ENABLED_NONE;
+					dynamic_enabled = DYNAMIC_ENABLED_NONE;
 				err = 0;
 				printk(KERN_DEBUG
-					       "debugging disabled for module "
-					       "%s\n", elem->name);
-				}
+					"debugging disabled for module %s\n",
+					elem->name);
 			}
 		}
 	}