mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init().
Reported-by: Hulk Robot <hul...@huawei.com> Signed-off-by: Zheng Yongjun <zhengyongj...@huawei.com> --- fs/btrfs/check-integrity.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 169508609324..7af9273ef1b6 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -370,7 +370,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, struct btrfsic_dev_state *dev_state, u64 dev_bytenr); -static struct mutex btrfsic_mutex; +static DEFINE_MUTEX(btrfsic_mutex); static int btrfsic_is_initialized; static struct btrfsic_dev_state_hashtable btrfsic_dev_state_hashtable; @@ -2787,7 +2787,6 @@ int btrfsic_mount(struct btrfs_fs_info *fs_info, return -ENOMEM; if (!btrfsic_is_initialized) { - mutex_init(&btrfsic_mutex); btrfsic_dev_state_hashtable_init(&btrfsic_dev_state_hashtable); btrfsic_is_initialized = 1; }