io_uring: refactor io_async_cancel()

Remove extra tctx==NULL checks that are already done by
io_async_cancel_one().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/70c2a8b958d942e86958a28af0452966ce1095b0.1617287883.git.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 6a0317e..f53d932 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5824,8 +5824,6 @@ static int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags)
        list_for_each_entry(node, &ctx->tctx_list, ctx_node) {
                struct io_uring_task *tctx = node->task->io_uring;
 
-               if (!tctx || !tctx->io_wq)
-                       continue;
                ret = io_async_cancel_one(tctx, req->cancel.addr, ctx);
                if (ret != -ENOENT)
                        break;