From patchwork Tue Dec 1 22:03:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hauke Mehrtens X-Patchwork-Id: 11944143 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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6F42AC71155 for ; Tue, 1 Dec 2020 22:05:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13A5920709 for ; Tue, 1 Dec 2020 22:05:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=hauke-m.de header.i=@hauke-m.de header.b="N+sd7mvU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727355AbgLAWFz (ORCPT ); Tue, 1 Dec 2020 17:05:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728261AbgLAWFy (ORCPT ); Tue, 1 Dec 2020 17:05:54 -0500 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [IPv6:2001:67c:2050::465:102]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F7F5C061A4A for ; Tue, 1 Dec 2020 14:04:38 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:105:465:1:1:0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4Clx3870VHzQlXx; Tue, 1 Dec 2020 23:04:36 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hauke-m.de; s=MBO0001; t=1606860275; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=z6cx47ZGhoNb/bl80kKBGzJh4voMfqvzThkc5KjZd9U=; b=N+sd7mvUPFuU+sB5Qu/97a+4fx45tfL+c14soj/9UCIDS+g+P1gjJMbBLqGSUyvQ2wTnRF D6DYgc8XEV3ffSUeOiRZyjgeZKkwHKKxyk5paWpw8R8q4jrSgyVCEA52zmk+0OSaP5WfJr +GyvTA0yOLz8El4UC09fCSl4OCaDNEInGtewMafWZdy+QNmwNIQRZkmLKmBH5VuLU9ReQd HEdu2kPInKea/qzyqJHsP6Enu+AzixUSvEdv9Bv1nBlFn837bD1ZFjklIeazrFbHN7zdLE RyssAeX69VbkhCdlt12KETVg0l5lTCGQxtSog0OOTyvdK6StMYMkpl6070LSHQ== Received: from smtp1.mailbox.org ([80.241.60.240]) by spamfilter03.heinlein-hosting.de (spamfilter03.heinlein-hosting.de [80.241.56.117]) (amavisd-new, port 10030) with ESMTP id kVw_795Am3f4; Tue, 1 Dec 2020 23:04:33 +0100 (CET) From: Hauke Mehrtens To: backports@vger.kernel.org Cc: johannes@sipsolutions.net, Hauke Mehrtens Subject: [PATCH 12/30] header: Add __skb_put_zero() Date: Tue, 1 Dec 2020 23:03:57 +0100 Message-Id: <20201201220415.30582-13-hauke@hauke-m.de> In-Reply-To: <20201201220415.30582-1-hauke@hauke-m.de> References: <20201201220415.30582-1-hauke@hauke-m.de> MIME-Version: 1.0 X-MBO-SPAM-Probability: X-Rspamd-Score: -4.76 / 15.00 / 15.00 X-Rspamd-Queue-Id: 1C17E1854 X-Rspamd-UID: 131664 Precedence: bulk List-ID: X-Mailing-List: backports@vger.kernel.org This was added in upstream Linux commit de77b966ce8a ("net: introduce __skb_put_[zero, data, u8]") and is now used by the mt76 driver. Signed-off-by: Hauke Mehrtens --- backport/backport-include/linux/skbuff.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h index 3ed990d0..3286d36c 100644 --- a/backport/backport-include/linux/skbuff.h +++ b/backport/backport-include/linux/skbuff.h @@ -348,6 +348,14 @@ static inline void *backport___skb_push(struct sk_buff *skb, unsigned int len) } #define __skb_push LINUX_BACKPORT(__skb_push) +static inline void *__skb_put_zero(struct sk_buff *skb, unsigned int len) +{ + void *tmp = __skb_put(skb, len); + + memset(tmp, 0, len); + return tmp; +} + static inline void *skb_put_zero(struct sk_buff *skb, unsigned int len) { void *tmp = skb_put(skb, len);