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

Ming Lei
2024-04-08T01:03:53Z

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@redhat.com>
---
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