block: include linux/err.h to use ERR_PTR
Stephen Rothwell [Mon, 7 Dec 2009 08:29:39 +0000 (19:29 +1100)]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

block/blk-cgroup.c

index 3ad497f..1fa2654 100644 (file)
@@ -14,6 +14,7 @@
 #include <linux/seq_file.h>
 #include <linux/kdev_t.h>
 #include <linux/module.h>
+#include <linux/err.h>
 #include "blk-cgroup.h"
 
 static DEFINE_SPINLOCK(blkio_list_lock);