find_device() declares struct list_head *head pointer and used only once,
instead just use it directly.

Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
 fs/btrfs/volumes.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9ed670ffa6a5..5714cdaf9c03 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -332,10 +332,9 @@ static struct btrfs_device *__alloc_device(void)
 static struct btrfs_device *find_device(struct btrfs_fs_devices *fs_devices,
                u64 devid, const u8 *uuid)
 {
-       struct list_head *head = &fs_devices->devices;
        struct btrfs_device *dev;
 
-       list_for_each_entry(dev, head, dev_list) {
+       list_for_each_entry(dev, &fs_devices->devices, dev_list) {
                if (dev->devid == devid &&
                    (!uuid || !memcmp(dev->uuid, uuid, BTRFS_UUID_SIZE))) {
                        return dev;
-- 
2.7.0

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