From: Jens Axboe <axboe@kernel.dk>
Date: Wed, 16 Oct 2024 21:49:49 +0000 (-0600)
Subject: io_uring/rw: get rid of using req->imu
X-Git-Tag: for-6.13/io_uring-20241118~59
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=003f82b58c99146dfb0c9ce1ee7ed59bc572959b;p=linux-block.git

io_uring/rw: get rid of using req->imu

It's assigned in the same function that it's being used, get rid of
it. A local variable will do just fine.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/io_uring/rw.c b/io_uring/rw.c
index 354c4e175654..d8b9e7a712f6 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -330,6 +330,7 @@ static int io_prep_rw_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe
 {
 	struct io_rw *rw = io_kiocb_to_cmd(req, struct io_rw);
 	struct io_ring_ctx *ctx = req->ctx;
+	struct io_mapped_ubuf *imu;
 	struct io_async_rw *io;
 	u16 index;
 	int ret;
@@ -341,11 +342,11 @@ static int io_prep_rw_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe
 	if (unlikely(req->buf_index >= ctx->nr_user_bufs))
 		return -EFAULT;
 	index = array_index_nospec(req->buf_index, ctx->nr_user_bufs);
-	req->imu = ctx->user_bufs[index];
+	imu = ctx->user_bufs[index];
 	io_req_set_rsrc_node(req, ctx, 0);
 
 	io = req->async_data;
-	ret = io_import_fixed(ddir, &io->iter, req->imu, rw->addr, rw->len);
+	ret = io_import_fixed(ddir, &io->iter, imu, rw->addr, rw->len);
 	iov_iter_save_state(&io->iter, &io->iter_state);
 	return ret;
 }