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Subject[PATCH 2/4] fork: Use newly created pidfd_create_file helper
Date
Rather than duplicating the code to create a pidfd_file in kernel/fork.c,
use the helper in kernel/pid.c.

Signed-off-by: Sargun Dhillon <sargun@sargun.me>
---
kernel/fork.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 080809560072..181ab2958cad 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2106,14 +2106,12 @@ static __latent_entropy struct task_struct *copy_process(

pidfd = retval;

- pidfile = anon_inode_getfile("[pidfd]", &pidfd_fops, pid,
- O_RDWR | O_CLOEXEC);
+ pidfile = pidfd_create_file(pid);
if (IS_ERR(pidfile)) {
put_unused_fd(pidfd);
retval = PTR_ERR(pidfile);
goto bad_fork_free_pid;
}
- get_pid(pid); /* held by pidfile now */

retval = put_user(pidfd, args->pidfd);
if (retval)
--
2.20.1
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