[PATCH 4/4] io_uring: kill NULL checks for submit state

From: Pavel Begunkov
Date: Sun Jun 21 2020 - 06:11:38 EST


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@xxxxxxxxx>
---
fs/io_uring.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 676911260f60..0bcf819e9661 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1371,11 +1371,7 @@ 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;

--
2.24.0