From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BEA1C31E51 for ; Sun, 16 Jun 2019 03:18:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 278D82085A for ; Sun, 16 Jun 2019 03:18:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="g0E2MJVy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727089AbfFPDOR (ORCPT ); Sat, 15 Jun 2019 23:14:17 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:35849 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726566AbfFPDOR (ORCPT ); Sat, 15 Jun 2019 23:14:17 -0400 Received: by mail-pg1-f196.google.com with SMTP id f21so3834133pgi.3 for ; Sat, 15 Jun 2019 20:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:mime-version:content-disposition :user-agent; bh=rM+/ypTKzHDjmz5d8wUoyWYZZW60mbQw25HJyMsGcus=; b=g0E2MJVyJwD8xzdXPW4vo5+svFBVDkX3MTAZMd/BVjkmU8RTOcXWTSqspOn9f2IdCa in3syGs281wTXIoJupcx6YFReM+1FWNyusQXDsL84KT/ueVNqDoCz0aMWXmcZE+KuJgM pzK6A8AfHIOPQ65RVGCE7B37O8lhw3ojjhkSdaWSjvQMb4yyXI6chs4jJnbu1lLHJbKb 6vEpb8fIZPy+pxXkv4wQPC4YXP9nZo1I6PYvcnonL/+q4MGfVjO1yf1iPwYXCLU6XzbN ciSKb0OsvgnINeFLiWb2YfPWfUcTIgmFKJwNLVUZ0F0FNRJp2/F91tGCQDMmwZK6FRlz p85g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-disposition:user-agent; bh=rM+/ypTKzHDjmz5d8wUoyWYZZW60mbQw25HJyMsGcus=; b=YDfQUDFxZa018opJRCiyfZSbQfvRse7UznFHm6ETlAiaLKO5XuCKMu6q0utYALI9XO G4mb+A9m62p+khKCcm64GAySuzBRk3LznqcusOF8oWcVi0yn3yVx8jM2bHMnwbiemRtW mEiJIrAGOlCGS7aJ+/YZAh1B/5y3YIexyZR2Q+wqz0mn9R4Pyg1JER+QF5UhtWKUgX9I W+arow7MgWrKfmHJg1HWd3jEeoZxs0PbDbn79bxTDGEHDZmJPW9G4Bn12A+vIXIvQvB6 5ExMn3/sbyUWie1CRcO5UBMX5gsE9YBM0MZ28sIBlR8B8ZpOHnVKxriVXFitJnKlaW23 iQ+Q== X-Gm-Message-State: APjAAAVrqTGNt9hHe2PQIEJjGa3Oi14jeQfc6BmVVl/LeB1SO1L9ktH9 RVZuiJVLS9epp4sruj9oOFM= X-Google-Smtp-Source: APXvYqx5Q5OzlQnfYKaEt8bu5j1BLwY8DuR4IQwNc2Yj7q95qerphSUWOKKRyNbbNGEH0WBOjgw2Hw== X-Received: by 2002:a65:514a:: with SMTP id g10mr42838711pgq.328.1560654856182; Sat, 15 Jun 2019 20:14:16 -0700 (PDT) Received: from hari-Inspiron-1545 ([183.83.89.153]) by smtp.gmail.com with ESMTPSA id l10sm746697pgm.26.2019.06.15.20.14.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 15 Jun 2019 20:14:15 -0700 (PDT) Date: Sun, 16 Jun 2019 08:44:09 +0530 From: Hariprasad Kelam To: Greg Kroah-Hartman , Hans de Goede , Arnd Bergmann , Colin Ian King , Hariprasad Kelam , Payal Kshirsagar , Madhumitha Prabakaran , Nishka Dasgupta , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH] staging: rtl8723bs: hal: Add null check after memory allocation Message-ID: <20190616031409.GA13001@hari-Inspiron-1545> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add NULL check post call to rtw_zmalloc. Signed-off-by: Hariprasad Kelam --- drivers/staging/rtl8723bs/hal/sdio_ops.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c index ac79de8..9177c18 100644 --- a/drivers/staging/rtl8723bs/hal/sdio_ops.c +++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c @@ -816,6 +816,9 @@ void clearinterrupt8723bsdio(struct adapter *adapter) haldata = GET_HAL_DATA(adapter); clear = rtw_zmalloc(4); + if (!clear) + return; + /* Clear corresponding HISR Content if needed */ *(__le32 *)clear = cpu_to_le32(haldata->sdio_hisr & MASK_SDIO_HISR_CLEAR); if (*(__le32 *)clear) { -- 2.7.4