diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 63dafc6..2b60ce1 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -10,6 +10,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/jffs2.h>
 #include <linux/mtd/mtd.h>
@@ -48,8 +50,7 @@
 		ret = PTR_ERR(tsk);
 	} else {
 		/* Wait for it... */
-		jffs2_dbg(1, "JFFS2: Garbage collect thread is pid %d\n",
-			  tsk->pid);
+		jffs2_dbg(1, "Garbage collect thread is pid %d\n", tsk->pid);
 		wait_for_completion(&c->gc_thread_start);
 		ret = tsk->pid;
 	}
@@ -62,7 +63,7 @@
 	int wait = 0;
 	spin_lock(&c->erase_completion_lock);
 	if (c->gc_task) {
-		jffs2_dbg(1, "jffs2: Killing GC task %d\n", c->gc_task->pid);
+		jffs2_dbg(1, "Killing GC task %d\n", c->gc_task->pid);
 		send_sig(SIGKILL, c->gc_task, 1);
 		wait = 1;
 	}