From patchwork Tue Dec 22 13:51:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 11986711 X-Patchwork-Delegate: kvalo@adurom.com 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 6B0B7C433E0 for ; Tue, 22 Dec 2020 13:52:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E8EF23124 for ; Tue, 22 Dec 2020 13:52:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727380AbgLVNv4 (ORCPT ); Tue, 22 Dec 2020 08:51:56 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:9472 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726904AbgLVNv4 (ORCPT ); Tue, 22 Dec 2020 08:51:56 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4D0d515ddDzhvQW; Tue, 22 Dec 2020 21:50:13 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.498.0; Tue, 22 Dec 2020 21:50:40 +0800 From: Zheng Yongjun To: , , , , , , , , CC: Zheng Yongjun Subject: [PATCH wireless v3 -next] brcmfmac: Delete useless kfree code Date: Tue, 22 Dec 2020 21:51:13 +0800 Message-ID: <20201222135113.20680-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Originating-IP: [10.175.138.68] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org A null pointer will be passed to a kfree() call after a kzalloc() call failed. This code is useless. Thus delete the extra function call. A goto statement is also no longer needed. Thus adjust an if branch. Signed-off-by: Zheng Yongjun --- .../wireless/broadcom/brcm80211/brcmfmac/firmware.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index d821a4758f8c..d40104b8df55 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -319,8 +319,10 @@ static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr, u8 *nvram; nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL); - if (!nvram) - goto fail; + if (!nvram) { + nvp->nvram_len = 0; + return; + } /* Copy all valid entries, release old nvram and assign new one. * Valid entries are of type pcie/X/Y/ where X = domain_nr and @@ -350,10 +352,6 @@ static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr, kfree(nvp->nvram); nvp->nvram = nvram; nvp->nvram_len = j; - return; -fail: - kfree(nvram); - nvp->nvram_len = 0; } static void brcmf_fw_add_defaults(struct nvram_parser *nvp)