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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 406E7C433EF for ; Tue, 15 Mar 2022 16:24:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Message-ID:Date:Mime-Version:Subject:Cc :To:From:References:In-Reply-To:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k1fHMo5kbP1OLK9ui677zezsIm3YWL8vzyCp9+wDKP8=; b=GT1aZbqj6uvwY6 fJtuvP/QHGr+v142SUl1dJ0jmYIUNNg75AhBwQ89HvaFw0OWNHxjYHkScrLIGJcaaDM3FwL9k5JWT vqhYPMk4G0WbEu2ckWjdCbgF3Dqcy6rTL1GzaKgOWIetjAGd1ZZ1gkFOcgTpl23S+/9+YGhcalOp9 IQnMxIJ+DGGWi3XaWiPn7Vfz3pA8ub6Q6hKqIyXpph3RqTL9hjeq/QhyZCjXSAAHhSAuLAAW47Lek DeFKurJFW7bbfdBGoZI+cPqC3aRBK/OW9bqrUVTZgo+Xu4KzswEX4ZK3hknyvp52cLFQoi6kw8aph 5NsiRUBQFiHoDKyhoETA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nU9xC-009rwR-5Q; Tue, 15 Mar 2022 16:23:22 +0000 Received: from out162-62-58-216.mail.qq.com ([162.62.58.216]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nU9x8-009rsE-5k; Tue, 15 Mar 2022 16:23:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1647361386; bh=EYv+UViJ8a9cNs593tc2+H3b7ilBGD7+LqCErWQYEsY=; h=In-Reply-To:References:From:To:Cc:Subject:Date; b=FmkM1kb663Wz+aoDJQcBWhZzp3ISITT133/UQTOcMvpwz1x0OJty4dfLD7XtGlN/o VjC1ofn8roN0IlOpNjmI+fpgMy/Wn4lXBOcbAzselem7m4zWiX1JnGcmaaqOBlmICA AcfXxRqE7ClyDIRhUH2nnF04G8MIvrAY1miM80qA= X-QQ-FEAT: oHWrrGTW1dA7H/rBCZjy5XfNuaD0tECu X-QQ-SSF: 00000000000000F000000000000000Z X-QQ-XMAILINFO: NERyOSoG0Tgwm5/3cpWYAcBb56KMjHIUMFfboOJ/FP7mHzrT9+vpwxzND0BFia s6SAjWvAeMSdqz66webS3U8baVEXmGK012S9Z/j2ssOnjrg0ZBuV6RhPr1KCRHbtt5zaZSoR45scj BwwnaQUtA/66AYHNV+ygi6/I3lL+YnMuFksk28X6t5op3bOH1MZRs8yvSYUCJ4Q0NEE3a/4ShAVrM bt/ovY9bDPRJltrInDe0cBMRahnoy/LEwte8gOddE9MBLIuXptGdTzUomCm3b4f3vUXIhWU9Cq6gt aAJmUgJsydXSl2DDPtCxfA8Me9KGR/3SZ52Lny4rR1OlSNB0HrACu7NBYQrdtuDJ9865+3rG5xQQ2 QGN2X6RzK3eV1rzSltu+9oEQsIic1HR9+aAjnY+1+G9mzs0i/QtM8x0X4vPcaxaslsi5wQDm2Cwxj oOMp1jnuVKqxEPsfaMQdSqjW4MBEKV//HBBKr0miBJDop0ahBEjIc/pOuhL+xbSRYM44FHQ4yBfRy t8PUIW5VlQlx18EGG+8VeS/UwvFYtnKT+IyQxUf8tD8UMzQbwd8b0Y9ssrl5TYAAAnbVh45YepiuA llVXBU9oW5n/jijR2n2t7ZX5ogx+1fzZEH/sN2ilVtjj/KuYtifyxXCeWPU+PMBt5lm/456Ozkcg9 qCfmsUS7C5eeYg3+zKlh79iyhtsolwenAg1PHBEZ8DKBRzKMjTX3UEfFTPEKr+p3PuZNal9hxPCST K4X8Yf/urZwpHxtHhqzpFTNiLivypZ3vrSPytdRaF8lRFrGO7j7/bqI3d8rC+5OIvcbG1uXB3bOqu GLv7QFr94fgco0SMyAs7qhgxS2o+JtOilVrAJLsgON2tcK3UmXy9tOQDCN8G/UnGXxarjfygoAtJJ mdVS0j3toE7HaSc8D7pWw== X-HAS-ATTACH: no X-QQ-BUSINESS-ORIGIN: 2 X-Originating-IP: 111.47.122.156 In-Reply-To: References: X-QQ-STYLE: X-QQ-mid: webmail813t1647361385t4065526 From: "=?ISO-8859-1?B?WGlhb2tlIFdhbmc=?=" To: "=?ISO-8859-1?B?Z3JlZ2to?=" , "=?ISO-8859-1?B?ZGFuLmNhcnBlbnRlcg==?=" Cc: "=?ISO-8859-1?B?bnNhZW56?=" , "=?ISO-8859-1?B?YmNtLWtlcm5lbC1mZWVkYmFjay1saXN0?=" , "=?ISO-8859-1?B?bGludXgtcnBpLWtlcm5lbA==?=" , "=?ISO-8859-1?B?bGludXgtYXJtLWtlcm5lbA==?=" , "=?ISO-8859-1?B?bGludXgtc3RhZ2luZw==?=" , "=?ISO-8859-1?B?bGludXgta2VybmVs?=" Subject: Re: [PATCH v2] staging: mmal-vchiq: add a check for the return of vmalloc() Mime-Version: 1.0 Date: Wed, 16 Mar 2022 00:23:05 +0800 X-Priority: 3 Message-ID: X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220315_092318_842571_C0F6E8DB X-CRM114-Status: UNSURE ( 9.04 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 15 Mar 2022 16:27:38 +0100, Greg KH wrote: > Your change just crashed the kernel :( > > Please be more careful I am sorry. I ever been told that vfree(NULL) or kfree(NULL) is safe, so I just jump to the tag `err_free` in this version. I will resend one by adding a new proper tag. And in fact, I did not find where ->bulk_scratch is used. Regards, Xiaoke Wang _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel