Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp300482ybl; Tue, 7 Jan 2020 06:24:30 -0800 (PST) X-Google-Smtp-Source: APXvYqxn7faaz9Ti4Zm9qEF7J1EZl6RGGKNTcnKXS7veaVRVEx7gzFHK4q5NumbLHQ7bH7DDgC7/ X-Received: by 2002:a05:6830:1481:: with SMTP id s1mr25338otq.66.1578407070149; Tue, 07 Jan 2020 06:24:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1578407070; cv=none; d=google.com; s=arc-20160816; b=XRZ4TWCKwn4YPSHZHwIacMa05O0wfPZnYs80FeMNKxyco9XGkbpS01Ff6gZXCRjqjV 47QLYGXkURn+3apKiY5HCmQw2GjBctrpAgbfmGUytKjlSUc2xL5xCK6YZQ34Z3P16mSf 2yW7SxePrWitgXlkrLzXVq38Yk0nbjoovYfCKnd7P+oZiwV2cwDni5b4GWu1E2SnKA1O lR7Qd67FZX0ImACr+nFWDWfmTmgGVqvQ9sT7tac2HsppaVPvpcZrIz/6uVg1/9fFWOND ngA4D4T2KcxY4igm7Vx582VZdHvW+tWaR02u26pfRrrE16mwld+ydNSLVzd8pFexXXyg vMig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from; bh=+6FZJgsbkfVtJ163FmOY+fMV/tYswjw2iMriJOpLmE4=; b=WgLWSQ9PFsRMHYvyzEDdFkqxgnE03lD0wIXkpoHUVAXq/EaPQZlzc2ovkHMbN3o3pY 8W2hCjSN8gcge0CzAPmFUwysO65hogPv0eOwLFQ/nx7sqJjT0pXlnkQNvoSzaJaroBS+ Im29IzdvVGmjnaAZiOOP0osr42RmK/+qsdR6GSrzGsY/AFTkd7rLQEj07ak74yx4rFhk iCVNLJlNlMB2vbZANIOf1vcne6AoepDr2hkaYFaThgWThqkbe+2KpxBitYmRSFlF8amu Y1xsWLwEown3tZ9y9iS6STBd/W5zi1oXttWfqVjT2KQMhbtQzbUX1Jo1x7qjPYdHpwHR JPrA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s13si29200839otd.186.2020.01.07.06.24.14; Tue, 07 Jan 2020 06:24:30 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728309AbgAGOXA (ORCPT + 99 others); Tue, 7 Jan 2020 09:23:00 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:8234 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727658AbgAGOXA (ORCPT ); Tue, 7 Jan 2020 09:23:00 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id D9FF448D3211BFFB0D8B; Tue, 7 Jan 2020 22:22:55 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.439.0; Tue, 7 Jan 2020 22:22:47 +0800 From: YueHaibing To: , CC: , , , YueHaibing Subject: [PATCH -next] io_uring: Remove unnecessary null check Date: Tue, 7 Jan 2020 22:22:44 +0800 Message-ID: <20200107142244.41260-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Null check kfree is redundant, so remove it. This is detected by coccinelle. Signed-off-by: YueHaibing --- fs/io_uring.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 60ebdea..cb929e5 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1157,8 +1157,7 @@ static void __io_req_aux_free(struct io_kiocb *req) { struct io_ring_ctx *ctx = req->ctx; - if (req->io) - kfree(req->io); + kfree(req->io); if (req->file) { if (req->flags & REQ_F_FIXED_FILE) percpu_ref_put(&ctx->file_data->refs); -- 2.7.4