[PATCH] btrfs: Remove unused variable ret

From: Jiapeng Chong
Date: Fri Feb 19 2021 - 01:21:36 EST


Fix the following coccicheck warnings:

./fs/btrfs/disk-io.c:4403:5-8: Unneeded variable: "ret". Return "0" on
line 4411.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
fs/btrfs/disk-io.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 07a2b4f..78ac205 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -52,7 +52,7 @@

static void end_workqueue_fn(struct btrfs_work *work);
static void btrfs_destroy_ordered_extents(struct btrfs_root *root);
-static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
+static void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
struct btrfs_fs_info *fs_info);
static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root);
static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info,
@@ -4394,13 +4394,12 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)
btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1);
}

-static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
+static void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
struct btrfs_fs_info *fs_info)
{
struct rb_node *node;
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_delayed_ref_node *ref;
- int ret = 0;

delayed_refs = &trans->delayed_refs;

@@ -4408,7 +4407,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
if (atomic_read(&delayed_refs->num_entries) == 0) {
spin_unlock(&delayed_refs->lock);
btrfs_debug(fs_info, "delayed_refs has NO entry");
- return ret;
+ return;
}

while ((node = rb_first_cached(&delayed_refs->href_root)) != NULL) {
@@ -4474,7 +4473,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,

spin_unlock(&delayed_refs->lock);

- return ret;
+ return;
}

static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
--
1.8.3.1