From: Pavel Begunkov <asml.silence@gmail.com>
Date: Sun, 21 Jun 2020 10:09:53 +0000 (+0300)
Subject: io_uring: kill NULL checks for submit state
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f6b6c7d6a9600bdbf5826f57137630e1670e2d87;p=linux.git

io_uring: kill NULL checks for submit state

After recent changes, io_submit_sqes() always passes valid submit state,
so kill leftovers checking it for NULL.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index cc1f2f3b7bfa8..c686061c37627 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1376,11 +1376,7 @@ static struct io_kiocb *io_alloc_req(struct io_ring_ctx *ctx,
 	gfp_t gfp = GFP_KERNEL | __GFP_NOWARN;
 	struct io_kiocb *req;
 
-	if (!state) {
-		req = kmem_cache_alloc(req_cachep, gfp);
-		if (unlikely(!req))
-			goto fallback;
-	} else if (!state->free_reqs) {
+	if (!state->free_reqs) {
 		size_t sz;
 		int ret;