The following commit has been merged into the sched/psi branch of tip: Commit-ID: b52c2379c38ffa49cbf10e30abc9dc4f9c051d41 Gitweb: https://git.kernel.org/tip/b52c2379c38ffa49cbf10e30abc9dc4f9c051d41 Author: Tejun Heo <tj@xxxxxxxxxx> AuthorDate: Sat, 27 Aug 2022 19:04:33 -10:00 Committer: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> CommitterDate: Thu, 01 Sep 2022 18:08:44 +02:00 kernfs: Drop unnecessary "mutex" local variable initialization These are unnecessary and unconventional. Remove them. Also move variable declaration into the block that it's used. No functional changes. Cc: Imran Khan <imran.f.khan@xxxxxxxxxx> Tested-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Reviewed-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220828050440.734579-3-tj@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/kernfs/file.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 32b16fe..6437f7c 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -555,7 +555,7 @@ static int kernfs_get_open_node(struct kernfs_node *kn, struct kernfs_open_file *of) { struct kernfs_open_node *on, *new_on = NULL; - struct mutex *mutex = NULL; + struct mutex *mutex; mutex = kernfs_open_file_mutex_lock(kn); on = kernfs_deref_open_node_locked(kn); @@ -599,7 +599,7 @@ static void kernfs_unlink_open_file(struct kernfs_node *kn, struct kernfs_open_file *of) { struct kernfs_open_node *on; - struct mutex *mutex = NULL; + struct mutex *mutex; mutex = kernfs_open_file_mutex_lock(kn); @@ -776,9 +776,10 @@ static int kernfs_fop_release(struct inode *inode, struct file *filp) { struct kernfs_node *kn = inode->i_private; struct kernfs_open_file *of = kernfs_of(filp); - struct mutex *mutex = NULL; if (kn->flags & KERNFS_HAS_RELEASE) { + struct mutex *mutex; + mutex = kernfs_open_file_mutex_lock(kn); kernfs_release_file(kn, of); mutex_unlock(mutex); @@ -796,7 +797,7 @@ void kernfs_drain_open_files(struct kernfs_node *kn) { struct kernfs_open_node *on; struct kernfs_open_file *of; - struct mutex *mutex = NULL; + struct mutex *mutex; if (!(kn->flags & (KERNFS_HAS_MMAP | KERNFS_HAS_RELEASE))) return;