[PATCH net-next] net: make __sys_accept4_file() static

From: Yajun Deng
Date: Fri Jun 10 2022 - 05:14:26 EST


__sys_accept4_file() isn't used outside of the file, make it static.

As the same time, move file_flags and nofile parameters into
__sys_accept4_file().

Signed-off-by: Yajun Deng <yajun.deng@xxxxxxxxx>
---
include/linux/socket.h | 4 ----
net/socket.c | 15 ++++++---------
2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 17311ad9f9af..414b8c7bb8f7 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -428,10 +428,6 @@ extern int __sys_recvfrom(int fd, void __user *ubuf, size_t size,
extern int __sys_sendto(int fd, void __user *buff, size_t len,
unsigned int flags, struct sockaddr __user *addr,
int addr_len);
-extern int __sys_accept4_file(struct file *file, unsigned file_flags,
- struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen, int flags,
- unsigned long nofile);
extern struct file *do_accept(struct file *file, unsigned file_flags,
struct sockaddr __user *upeer_sockaddr,
int __user *upeer_addrlen, int flags);
diff --git a/net/socket.c b/net/socket.c
index 2bc8773d9dc5..1b6f5e2ebef5 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1878,10 +1878,8 @@ struct file *do_accept(struct file *file, unsigned file_flags,
return ERR_PTR(err);
}

-int __sys_accept4_file(struct file *file, unsigned file_flags,
- struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen, int flags,
- unsigned long nofile)
+static int __sys_accept4_file(struct file *file, struct sockaddr __user *upeer_sockaddr,
+ int __user *upeer_addrlen, int flags)
{
struct file *newfile;
int newfd;
@@ -1892,11 +1890,11 @@ int __sys_accept4_file(struct file *file, unsigned file_flags,
if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;

- newfd = __get_unused_fd_flags(flags, nofile);
+ newfd = get_unused_fd_flags(flags);
if (unlikely(newfd < 0))
return newfd;

- newfile = do_accept(file, file_flags, upeer_sockaddr, upeer_addrlen,
+ newfile = do_accept(file, 0, upeer_sockaddr, upeer_addrlen,
flags);
if (IS_ERR(newfile)) {
put_unused_fd(newfd);
@@ -1926,9 +1924,8 @@ int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,

f = fdget(fd);
if (f.file) {
- ret = __sys_accept4_file(f.file, 0, upeer_sockaddr,
- upeer_addrlen, flags,
- rlimit(RLIMIT_NOFILE));
+ ret = __sys_accept4_file(f.file, upeer_sockaddr,
+ upeer_addrlen, flags);
fdput(f);
}

--
2.25.1