[PATCH 1/9] io_uring: net: don't check sqe->__pad2[0] for send zc

[Ming Lei <ming.lei@xxxxxxxxxx>]

send_zc never uses any byte in sqe->__pad2[], and the check is
unnecessary, so remove it and prepare for using the last byte
as sqe extended flags.

Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
 io_uring/net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_uring/net.c b/io_uring/net.c
index 97d815d13b6a..9c0567892945 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -997,7 +997,7 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 
 	zc->done_io = 0;
 
-	if (unlikely(READ_ONCE(sqe->__pad2[0]) || READ_ONCE(sqe->addr3)))
+	if (unlikely(READ_ONCE(sqe->addr3)))
 		return -EINVAL;
 	/* we don't support IOSQE_CQE_SKIP_SUCCESS just yet */
 	if (req->flags & REQ_F_CQE_SKIP)
-- 
2.42.0