lirc: rc_dev_get_from_fd(): fix file leak

missing fdput() on a failure exit

Fixes: 6a9d552483d50 "media: rc: bpf attach/detach requires write permission" # v6.9
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2024-05-30 23:58:26 -04:00
committed by CrazyCat
parent cd24667f68
commit 52ac8e3ec4

View File

@@ -827,8 +827,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write)
return ERR_PTR(-EINVAL);
}
if (write && !(f.file->f_mode & FMODE_WRITE))
if (write && !(f.file->f_mode & FMODE_WRITE)) {
fdput(f);
return ERR_PTR(-EPERM);
}
fh = f.file->private_data;
dev = fh->rc;