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

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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>
This commit is contained in:
Jens Axboe 2024-10-16 15:49:49 -06:00
parent 892d3e80e1
commit 003f82b58c
1 changed files with 3 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
io_uring/rw.c
View file

@ -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_rw *rw = io_kiocb_to_cmd(req, struct io_rw);
struct io_ring_ctx *ctx = req->ctx; struct io_ring_ctx *ctx = req->ctx;
struct io_mapped_ubuf *imu;
struct io_async_rw *io; struct io_async_rw *io;
u16 index; u16 index;
int ret; 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)) if (unlikely(req->buf_index >= ctx->nr_user_bufs))
return -EFAULT; return -EFAULT;
index = array_index_nospec(req->buf_index, ctx->nr_user_bufs); 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_set_rsrc_node(req, ctx, 0);
io = req->async_data; 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); iov_iter_save_state(&io->iter, &io->iter_state);
return ret; return ret;
} }