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[2.15.39.206]) by smtp.gmail.com with ESMTPSA id d3sm12815582wre.91.2020.11.09.03.07.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 03:07:14 -0800 (PST) From: Bartosz Golaszewski To: Andy Shevchenko , Sumit Semwal , Gustavo Padovan , =?UTF-8?q?Christian=20K=C3=B6nig?= , Mauro Carvalho Chehab , Borislav Petkov , Tony Luck , James Morse , Robert Richter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Alexander Shishkin , Linus Walleij , "Michael S . Tsirkin" , Jason Wang , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Jaroslav Kysela , Takashi Iwai Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-gpio@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org, Bartosz Golaszewski Subject: [PATCH v3 9/9] dma-buf: use krealloc_array() Date: Mon, 9 Nov 2020 12:06:54 +0100 Message-Id: <20201109110654.12547-10-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201109110654.12547-1-brgl@bgdev.pl> References: <20201109110654.12547-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Bartosz Golaszewski Use the helper that checks for overflows internally instead of manually calculating the size of the new array. Signed-off-by: Bartosz Golaszewski Acked-by: Christian König --- drivers/dma-buf/sync_file.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 5a5a1da01a00..20d9bddbb985 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -270,8 +270,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a, fences[i++] = dma_fence_get(a_fences[0]); if (num_fences > i) { - nfences = krealloc(fences, i * sizeof(*fences), - GFP_KERNEL); + nfences = krealloc_array(fences, i, sizeof(*fences), GFP_KERNEL); if (!nfences) goto err; -- 2.29.1 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7E667C388F7 for ; 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[2.15.39.206]) by smtp.gmail.com with ESMTPSA id d3sm12815582wre.91.2020.11.09.03.07.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 03:07:14 -0800 (PST) From: Bartosz Golaszewski To: Andy Shevchenko , Sumit Semwal , Gustavo Padovan , =?UTF-8?q?Christian=20K=C3=B6nig?= , Mauro Carvalho Chehab , Borislav Petkov , Tony Luck , James Morse , Robert Richter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Alexander Shishkin , Linus Walleij , "Michael S . Tsirkin" , Jason Wang , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v3 9/9] dma-buf: use krealloc_array() Date: Mon, 9 Nov 2020 12:06:54 +0100 Message-Id: <20201109110654.12547-10-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201109110654.12547-1-brgl@bgdev.pl> References: <20201109110654.12547-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 10 Nov 2020 11:14:56 +0100 Cc: alsa-devel@alsa-project.org, kvm@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski , linux-media@vger.kernel.org, linux-edac@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Bartosz Golaszewski Use the helper that checks for overflows internally instead of manually calculating the size of the new array. Signed-off-by: Bartosz Golaszewski Acked-by: Christian König --- drivers/dma-buf/sync_file.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 5a5a1da01a00..20d9bddbb985 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -270,8 +270,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a, fences[i++] = dma_fence_get(a_fences[0]); if (num_fences > i) { - nfences = krealloc(fences, i * sizeof(*fences), - GFP_KERNEL); + nfences = krealloc_array(fences, i, sizeof(*fences), GFP_KERNEL); if (!nfences) goto err; -- 2.29.1 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 B22A8C5517A for ; Tue, 10 Nov 2020 08:17:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 489A22080A for ; Tue, 10 Nov 2020 08:17:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="RG2F+82o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 489A22080A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1713689916; Tue, 10 Nov 2020 08:17:01 +0000 (UTC) Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8E48089939 for ; Mon, 9 Nov 2020 11:07:16 +0000 (UTC) Received: by mail-wr1-x443.google.com with SMTP id o15so384195wru.6 for ; Mon, 09 Nov 2020 03:07:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uU00Tfvm+17A7iE8x45GJfsjWZ/7CO3W5FPvjO+v7UE=; b=RG2F+82oEqldWg6NTKGoC7UPk0O3vTxH9eTGTjyarUGvACcl6LwiyVBskaFEt1Pqm6 qMxcfA0KMfkW5wNV3g6IT+hgAs2iqXACJ3N3dvfqSrCeZzUAOMwEc5r60U68oM/abbdp BVvztISZFGbho3XV9t5SL1u/kBS3vwLpauBxX0yXvm1ttFGAsQfYFHV+KUfWm52I7cCD 8gCnDBCe0CgXSwSibJtmk6kjahUuLaDNlL9UchomHElEtgRdetA4QUIzhJ3s2kqYQJIy hMGwQ19uDlTKAD9Oe+7Y24DOg21aGPiQwGkonVuLgyYUV5H0Om/MAWDetrgEg+DE7LJv /kLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uU00Tfvm+17A7iE8x45GJfsjWZ/7CO3W5FPvjO+v7UE=; b=tCUlsiSHvohCGA8LyrLEHUoWfxlLzN4igTWiBp/pJks6qTR9hCTrWYTSAsDwCBwu48 MkucDeg589oR4dtOsz3+iae6fXF9KWoC7AxACKXVPvokAfkPxdYqtb5TesbHhtq2W2h1 vWRJ9Ruda3FWx94a3v/Rn1XT4rhwMTmA1UUbe6a/66p2y8IQaGVSSxCer0jUrKspR1oJ EK7a76X5o4/gXDzK3XJxloVUprWIa7O/24JTjfoO1D3U6cgQiujvswY+xEXf+2UCKoJl j2DhbAw8G4qavgBzNEUOUozdeGRERDWV+r1XjCljoB0ck3d/jM1JsiKtwUMW6y++Ry95 tjIQ== X-Gm-Message-State: AOAM531I26tuJEOc3ZY/GBbcc6yDmvZr9KDaLTnBlQnUPbCStG5KSiW6 80hOfcF/b9KS8Qhj2fRnHGpmEg== X-Google-Smtp-Source: ABdhPJxqEseYvyvPu8S4NoqtIS4iNC5GkWi9kRY0f7fjCzxFROga8iAwMRGM7mBzZtGU9vsmm1Ko/Q== X-Received: by 2002:a5d:6a83:: with SMTP id s3mr9918092wru.397.1604920035266; Mon, 09 Nov 2020 03:07:15 -0800 (PST) Received: from localhost.localdomain (lfbn-nic-1-190-206.w2-15.abo.wanadoo.fr. [2.15.39.206]) by smtp.gmail.com with ESMTPSA id d3sm12815582wre.91.2020.11.09.03.07.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 03:07:14 -0800 (PST) From: Bartosz Golaszewski To: Andy Shevchenko , Sumit Semwal , Gustavo Padovan , =?UTF-8?q?Christian=20K=C3=B6nig?= , Mauro Carvalho Chehab , Borislav Petkov , Tony Luck , James Morse , Robert Richter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Alexander Shishkin , Linus Walleij , "Michael S . Tsirkin" , Jason Wang , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v3 9/9] dma-buf: use krealloc_array() Date: Mon, 9 Nov 2020 12:06:54 +0100 Message-Id: <20201109110654.12547-10-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201109110654.12547-1-brgl@bgdev.pl> References: <20201109110654.12547-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 10 Nov 2020 08:16:57 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, kvm@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski , linux-media@vger.kernel.org, linux-edac@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogQmFydG9zeiBHb2xhc3pld3NraSA8YmdvbGFzemV3c2tpQGJheWxpYnJlLmNvbT4KClVz ZSB0aGUgaGVscGVyIHRoYXQgY2hlY2tzIGZvciBvdmVyZmxvd3MgaW50ZXJuYWxseSBpbnN0ZWFk IG9mIG1hbnVhbGx5CmNhbGN1bGF0aW5nIHRoZSBzaXplIG9mIHRoZSBuZXcgYXJyYXkuCgpTaWdu ZWQtb2ZmLWJ5OiBCYXJ0b3N6IEdvbGFzemV3c2tpIDxiZ29sYXN6ZXdza2lAYmF5bGlicmUuY29t PgpBY2tlZC1ieTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgot LS0KIGRyaXZlcnMvZG1hLWJ1Zi9zeW5jX2ZpbGUuYyB8IDMgKy0tCiAxIGZpbGUgY2hhbmdlZCwg MSBpbnNlcnRpb24oKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEt YnVmL3N5bmNfZmlsZS5jIGIvZHJpdmVycy9kbWEtYnVmL3N5bmNfZmlsZS5jCmluZGV4IDVhNWEx ZGEwMWEwMC4uMjBkOWJkZGJiOTg1IDEwMDY0NAotLS0gYS9kcml2ZXJzL2RtYS1idWYvc3luY19m aWxlLmMKKysrIGIvZHJpdmVycy9kbWEtYnVmL3N5bmNfZmlsZS5jCkBAIC0yNzAsOCArMjcwLDcg QEAgc3RhdGljIHN0cnVjdCBzeW5jX2ZpbGUgKnN5bmNfZmlsZV9tZXJnZShjb25zdCBjaGFyICpu YW1lLCBzdHJ1Y3Qgc3luY19maWxlICphLAogCQlmZW5jZXNbaSsrXSA9IGRtYV9mZW5jZV9nZXQo YV9mZW5jZXNbMF0pOwogCiAJaWYgKG51bV9mZW5jZXMgPiBpKSB7Ci0JCW5mZW5jZXMgPSBrcmVh bGxvYyhmZW5jZXMsIGkgKiBzaXplb2YoKmZlbmNlcyksCi0JCQkJICBHRlBfS0VSTkVMKTsKKwkJ bmZlbmNlcyA9IGtyZWFsbG9jX2FycmF5KGZlbmNlcywgaSwgc2l6ZW9mKCpmZW5jZXMpLCBHRlBf S0VSTkVMKTsKIAkJaWYgKCFuZmVuY2VzKQogCQkJZ290byBlcnI7CiAKLS0gCjIuMjkuMQoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1h aWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==