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btrfs: cleanup find_device() drop list_head pointer

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

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2018-04-12 10:29:29 +08:00 committed by David Sterba
parent 897fb5734a
commit 636d2c9d63
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/volumes.c
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@ -362,10 +362,9 @@ 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;