diff options
| author | David S. Miller <davem@davemloft.net> | 2019-03-27 17:37:58 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-27 17:37:58 -0700 |
| commit | 356d71e00d278d865f8c7f68adebd6ce4698a7e2 (patch) | |
| tree | 8cb2dabf7440b56c6dee76b4253210c6b603b98e /fs/proc/base.c | |
| parent | df453700e8d81b1bdafdf684365ee2b9431fb702 (diff) | |
| parent | 1a9df9e29c2afecf6e3089442d429b377279ca3c (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index f5ebdd87afb2..ddef482f1334 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3074,6 +3074,15 @@ static const struct file_operations proc_tgid_base_operations = { .llseek = generic_file_llseek, }; +struct pid *tgid_pidfd_to_pid(const struct file *file) +{ + if (!d_is_dir(file->f_path.dentry) || + (file->f_op != &proc_tgid_base_operations)) + return ERR_PTR(-EBADF); + + return proc_pid(file_inode(file)); +} + static struct dentry *proc_tgid_base_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { return proc_pident_lookup(dir, dentry, |