diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-11-23 17:33:46 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-28 12:42:34 +0100 |
| commit | 0d52d06a199f5b95a66a3ff0a303a48532e3461f (patch) | |
| tree | a06318544c607c2711a247803955ea29a1eb3282 | |
| parent | fe67b063f687d8f32c466778aad57508bc1c618a (diff) | |
net/kcm: convert kcm_ioctl() to FD_PREPARE()
Link: https://patch.msgid.link/20251123-work-fd-prepare-v4-28-b6efa1706cfd@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | net/kcm/kcmsock.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index b4f01cb07561..5dd7e0509a48 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1560,24 +1560,16 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) } case SIOCKCMCLONE: { struct kcm_clone info; - struct file *file; - info.fd = get_unused_fd_flags(0); - if (unlikely(info.fd < 0)) - return info.fd; + FD_PREPARE(fdf, 0, kcm_clone(sock)); + if (fdf.err) + return fdf.err; - file = kcm_clone(sock); - if (IS_ERR(file)) { - put_unused_fd(info.fd); - return PTR_ERR(file); - } - if (copy_to_user((void __user *)arg, &info, - sizeof(info))) { - put_unused_fd(info.fd); - fput(file); + info.fd = fd_prepare_fd(fdf); + if (copy_to_user((void __user *)arg, &info, sizeof(info))) return -EFAULT; - } - fd_install(info.fd, file); + + fd_publish(fdf); err = 0; break; } |