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| author | Christian Brauner <christian@brauner.io> | 2019-01-21 13:48:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 14:25:53 +0300 |
| commit | 29ef1c8e16aed079ac09989d752e38d412b6e1a8 (patch) | |
| tree | e0afd0214cb6525f771e79c8488dccf11c85e92b /drivers/android | |
| parent | 4198479524aeccaf53c3a4cc73784982535573fa (diff) | |
| download | linux-29ef1c8e16aed079ac09989d752e38d412b6e1a8.tar.xz | |
binderfs: drop lock in binderfs_binder_ctl_create
The binderfs_binder_ctl_create() call is a no-op on subsequent calls and
the first call is done before we unlock the suberblock. Hence, there is no
need to take inode_lock() in there. Let's remove it.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android')
| -rw-r--r-- | drivers/android/binderfs.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index ba88be172aee..d537dcdb5d65 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -400,8 +400,6 @@ static int binderfs_binder_ctl_create(struct super_block *sb) if (!device) return -ENOMEM; - inode_lock(d_inode(root)); - /* If we have already created a binder-control node, return. */ if (info->control_dentry) { ret = 0; @@ -440,12 +438,10 @@ static int binderfs_binder_ctl_create(struct super_block *sb) inode->i_private = device; info->control_dentry = dentry; d_add(dentry, inode); - inode_unlock(d_inode(root)); return 0; out: - inode_unlock(d_inode(root)); kfree(device); iput(inode); |