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[RFC,v3,2/3] net: Make `move_addr_to_user()` be a non static function

Message ID 20211230173126.174350-3-ammar.faizi@intel.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series io_uring: Add sendto(2) and recvfrom(2) support | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply, async

Commit Message

Ammar Faizi Dec. 30, 2021, 5:52 p.m. UTC 
In order to add recvfrom support for io_uring, we need to call
`move_addr_to_user()` in fs/io_uring.c.

This makes `move_addr_to_user()` be a non static function so we can
call it from io_uring.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Nugra <richiisei@gmail.com>
Signed-off-by: Ammar Faizi <ammarfaizi2@gmail.com>
---

v3:
  * No changes *

v2:
  - Added Nugra to CC list (tester).
---
 include/linux/socket.h | 2 ++
 net/socket.c           | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 8ef26d89ef49..0d0bc1ace50c 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -371,6 +371,8 @@  struct ucred {
 #define IPX_TYPE	1
 
 extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr);
+extern int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
+			     void __user *uaddr, int __user *ulen);
 extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
 
 struct timespec64;
diff --git a/net/socket.c b/net/socket.c
index 7f64a6eccf63..af521d351c8a 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -267,8 +267,8 @@  int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *k
  *	specified. Zero is returned for a success.
  */
 
-static int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
-			     void __user *uaddr, int __user *ulen)
+int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
+		      void __user *uaddr, int __user *ulen)
 {
 	int err;
 	int len;