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| author | Alexey Gladkov <gladkov.alexey@gmail.com> | 2020-04-23 23:03:10 +0300 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2020-04-25 00:38:30 +0300 |
| commit | c59f415a7cb6e1e1e1cdbd6ee370b050e95f6b21 (patch) | |
| tree | 79e9113bc0cdb5e48f8f4f6ab2163ad2ebae82c1 /fs/locks.c | |
| parent | 6ade99ec6175ab2b54c227521e181e1c3c2bfc8a (diff) | |
| download | linux-c59f415a7cb6e1e1e1cdbd6ee370b050e95f6b21.tar.xz | |
Use proc_pid_ns() to get pid_namespace from the proc superblock
To get pid_namespace from the procfs superblock should be used a special
helper. This will avoid errors when s_fs_info will change the type.
Link: https://lore.kernel.org/lkml/20200423200316.164518-3-gladkov.alexey@gmail.com/
Link: https://lore.kernel.org/lkml/20200423112858.95820-1-gladkov.alexey@gmail.com/
Link: https://lore.kernel.org/lkml/06B50A1C-406F-4057-BFA8-3A7729EA7469@lca.pw/
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/locks.c')
| -rw-r--r-- | fs/locks.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/locks.c b/fs/locks.c index b8a31c1c4fff..399c5dbb72c4 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -2823,7 +2823,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, { struct inode *inode = NULL; unsigned int fl_pid; - struct pid_namespace *proc_pidns = file_inode(f->file)->i_sb->s_fs_info; + struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)); fl_pid = locks_translate_pid(fl, proc_pidns); /* @@ -2901,7 +2901,7 @@ static int locks_show(struct seq_file *f, void *v) { struct locks_iterator *iter = f->private; struct file_lock *fl, *bfl; - struct pid_namespace *proc_pidns = file_inode(f->file)->i_sb->s_fs_info; + struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)); fl = hlist_entry(v, struct file_lock, fl_link); |