summaryrefslogtreecommitdiff
path: root/fs/kernfs
diff options
context:
space:
mode:
authorTejun Heo <tj@kernel.org>2022-08-27 19:04:33 -1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-01 18:08:44 +0200
commitb52c2379c38ffa49cbf10e30abc9dc4f9c051d41 (patch)
treeb878cf2eba18c52046315647fe7c9febc47fd5bb /fs/kernfs
parent3db48aca879db475844182a24d1760ee3d230627 (diff)
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@oracle.com> Tested-by: Chengming Zhou <zhouchengming@bytedance.com> Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20220828050440.734579-3-tj@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/kernfs')
-rw-r--r--fs/kernfs/file.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 32b16fe00a9e..6437f7c7162d 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;