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 E22F0C48BF6 for ; Sun, 3 Mar 2024 12:46:59 +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:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=55PpK1KKY/6HsXkMmXxuX/NeuSqCiAAyh8ptJttxHxc=; b=aMNniiO5wVkVog s7XM5Rwjtf1eGPou2VAXMhQOS4PBd0ajk9VOnQh4MtWcpXT3DhOWc5K1TMquhQ4CraQ9iP0R2FcFk bxtOIXroWaMgoCDBdXqOPemRM0n6qCgk6YF5izJXEKUygKMYKZRUvQhuNLUP4cVAc0LVXRh1M8F56 TFqfKSK+CTrAPhjDfHQM2VkxGLKjebayBXZlz5n3hg7FT4eGZbJw/Fy9twyNKCiYRTB7g+DnLGTug kCujWzit2ag2eVvgaUXiLR81Ywa2r54v7DltdXnz0p3IXMRfB6pbcjp7VUu4+HylF0fffTII7PcUi 9L8/S69ZcOdDmBetnTgA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rglEt-00000005tnl-41ul; Sun, 03 Mar 2024 12:46:47 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rglEq-00000005tmu-03JL for linux-arm-kernel@lists.infradead.org; Sun, 03 Mar 2024 12:46:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 19731CE0F28; Sun, 3 Mar 2024 12:46:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55C5CC433F1; Sun, 3 Mar 2024 12:46:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709470001; bh=m5F3DC2/abI9jA3wW+kR9QvDGsT+G1mNssyp+xh0lmI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=XyPTK/fQwxL69onm8eIaDU6VACuRpu7F9WG8vDHtYPyXKTynZ5hbgMQ5QG7ZOaBBi kGVuUPZXFQL1h1c+tHlTWvrAdqDqXbCm11ta44wMVNFKlbulg2fkqohdWEf2lkywh7 eWTgOEl8ucxxf/ZInRPqalHYwKu73LdfxNlkmDKu4DQfZnmy+74Dk7rOYmZmEU3QWE k329wygF+QIasgaXReW6RkKcud4w0tjOf+RMjEX7fbqPb8dBQ4nYr+SngQJwV7DFXl bzf1/yG2JUIR4BFSwY2cnMoPSqf4EA5GDIwleYrKyiZiFHw+OI23iflbkurFljJKRy 6BpyAYP2nWkHg== Date: Sun, 3 Mar 2024 12:46:24 +0000 From: Jonathan Cameron To: Andy Shevchenko Cc: David Lechner , Vinod Koul , Linus Walleij , Jonathan Cameron , Mark Brown , Kees Cook , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-spi@vger.kernel.org, netdev@vger.kernel.org, linux-hardening@vger.kernel.org, Lars-Peter Clausen , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Gustavo A. R. Silva" Subject: Re: [PATCH v4 3/8] iio: core: NULLify private pointer when there is no private data Message-ID: <20240303124624.08740a2d@jic23-huawei> In-Reply-To: References: <20240228204919.3680786-1-andriy.shevchenko@linux.intel.com> <20240228204919.3680786-4-andriy.shevchenko@linux.intel.com> X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240303_044644_272990_E1462F0F X-CRM114-Status: GOOD ( 15.53 ) 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCAyOCBGZWIgMjAyNCAyMzozNjo0MyArMDIwMApBbmR5IFNoZXZjaGVua28gPGFuZHJp eS5zaGV2Y2hlbmtvQGxpbnV4LmludGVsLmNvbT4gd3JvdGU6Cgo+IE9uIFdlZCwgRmViIDI4LCAy MDI0IGF0IDAzOjA2OjQyUE0gLTA2MDAsIERhdmlkIExlY2huZXIgd3JvdGU6Cj4gPiBPbiBXZWQs IEZlYiAyOCwgMjAyNCBhdCAyOjUw4oCvUE0gQW5keSBTaGV2Y2hlbmtvCj4gPiA8YW5kcml5LnNo ZXZjaGVua29AbGludXguaW50ZWwuY29tPiB3cm90ZTogIAo+IAo+IC4uLgo+IAo+ID4gPiAtICAg ICAgIGluZGlvX2Rldi0+cHJpdiA9IChjaGFyICopaWlvX2Rldl9vcGFxdWUgKwo+ID4gPiAtICAg ICAgICAgICAgICAgQUxJR04oc2l6ZW9mKHN0cnVjdCBpaW9fZGV2X29wYXF1ZSksIElJT19ETUFf TUlOQUxJR04pOwo+ID4gPiArCj4gPiA+ICsgICAgICAgaWYgKHNpemVvZl9wcml2KQo+ID4gPiAr ICAgICAgICAgICAgICAgaW5kaW9fZGV2LT5wcml2ID0gKGNoYXIgKilpaW9fZGV2X29wYXF1ZSAr Cj4gPiA+ICsgICAgICAgICAgICAgICAgICAgICAgIEFMSUdOKHNpemVvZihzdHJ1Y3QgaWlvX2Rl dl9vcGFxdWUpLCBJSU9fRE1BX01JTkFMSUdOKTsKPiA+ID4gKyAgICAgICBlbHNlCj4gPiA+ICsg ICAgICAgICAgICAgICBpbmRpb19kZXYtPnByaXYgPSBOVUxMOyAgCj4gPiAKPiA+IERvIHdlIGFj dHVhbGx5IG5lZWQgdGhlIGVsc2UgYnJhbmNoIGhlcmUgc2luY2Ugd2UgdXNlIGt6YWxsb2MoKSBh bmQKPiA+IHRoZXJlZm9yZSBpbmRpb19kZXYtPnByaXYgc2hvdWxkIGFscmVhZHkgYmUgTlVMTD8g IAo+IAo+IFRoaXMgaXMgbW9yZSByb2J1c3QsIGJ1dCBJJ20gb2theSB0byBkcm9wIHRoaXMuIFVw IHRvIEpvbmF0aGFuLgo+IAoKR2l2ZW4gdGhlIGFsbG9jYXRpb24gaXMganVzdCBhYm92ZSBoZXJl IGZpbmUgdG8gZHJvcCB0aGUgZWxzZSBpbiB0aGlzCkkgdGhpbmsuCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5n IGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=