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 94784FCC07D for ; Fri, 6 Mar 2026 22:25:22 +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:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ki+jhxsdgiQU+asm7K7A5RJfYYjUm+fpzRZ7elHbNsI=; b=tquuvURzCbWjMb Eqkdml+KNkHqtZNxexy7V6qTG04HhDvdBDAC2G45vGpeSspZDBt16DrNi4LUByQ1qEDn5opZnja4g HMDypROgRikG7iN1Okt7CuTiN1pby9mevKauJMwc3PZ2MJ8CuF4DPdFa0s6cm0zwwEc9wL10yB0uq 7XOfnMQVbpshxe9mKD9qScRoiZwVmozVbizjADUYBk8M4RUt0TE4MLo2Lzhy9hGsh/WLwjjMHhwYs yfrPU12iaOZQKfHudgoPt8Y6uzY9JgdPVCDQP5ddrbn0X08oFoMBJ+nqi2I/GnyJOYeUAuIdDBAeC 6JDmku99+gJRPUxTVh8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vydbm-00000004aSq-1RAu; Fri, 06 Mar 2026 22:25:22 +0000 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vydbj-00000004aQJ-38DT for linux-phy@lists.infradead.org; Fri, 06 Mar 2026 22:25:20 +0000 Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-c6e3e4e7388so3892241a12.1 for ; Fri, 06 Mar 2026 14:25:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772835918; x=1773440718; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BA9nb83nCkXGkJ9IKyGDJ21XOXhsf5BHbt5T5gtrqN0=; b=Ly8zLU1V4Rm8KgDsR4ggDCxck3hSO2LBZSIjVVZIBTrvfE4jg0wjpVOG280vgCXosn r4RTcCyvUKta/37JXcA2/gLkQEEIcifvdL+Beaj2I+pkZtDKwAGOr6U4McSoCv4WXB6t HPgKnQogh5MtcytZebmwfIXwVtPdnYmhtcOgWvwWiLvwmmpVAub8hVw9MYRk419ACs7M l3Rhtq5E9TSFJH54HIu1t3YWg2oPLZJiGenIjjrZemdb/v5WiFv64btZXMz3Vm58vbGd NK1tF+Gwqu5g4ktQXkAKXKBuQZ20cw2Wtz3MMdr6sOBRB+VoZAYf+RhYIi5xNHd9iQfR TubQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772835918; x=1773440718; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=BA9nb83nCkXGkJ9IKyGDJ21XOXhsf5BHbt5T5gtrqN0=; b=JUqEJec/sSemQ86VZBRqkl6viDKnTsjClrzONEthGdW7TEf70s0oJjgEslAaEW1IVe lb3fWoer5U+MHJsFnH70jyw4gs+mHOK/k/deJBE1GPltTjwewkI/qHqXN+JE1dN2Az/Z 3m0mPty52qRN1Df1jvjvTJ0Ks/sTTwV92013WuFBv0xlUAeDwFgiMPEmwNWAgjDDRqPi sp+y8H7oU3nq2gHbu5h+QAXFwARnmyWndXRxZPW5VnVQnehXPwPe8jTpkg3bsY+Zkodr Y8LmfsVE2C/20sH3O8mOE+hCO8rIQMvdcNQJrhUhMSFhVpBbWEPhwdBiiIJDxYbsyDun 83Uw== X-Gm-Message-State: AOJu0Ywn6dhX0sYCaMjCeG7XzfZV3/o+nGisiaWbJ7cosXRH2f2dmp3d C1+t0j+0FD1+l2INzTmHHUs48wyv+1taHyGFUhYZzJ2g87xc9sbdjduxtKDXdBePdZ0= X-Gm-Gg: ATEYQzwa8IghB7oIqgQ2lUAx0A876AF6yeKpNo6KVM/RiSl1kphzAKJizJ32PM8Qc5l Vix3efX1PQJ/zqPx6RUaIOpjPSdGTetHQ26aC4CtuCtsu09Agq66aLUfBC/kZ2yqNwMMnin7UyD /nFb304ipyPib4+QCX6kbSTYHlS6pPoNoaDNZ5VO5Nx/g0HQBmcZzDeBpmGUdAt25qMFW2AxBIl /mo1BGx2YarjNRJa/FpJzdF70Y4JCAV1yciqnio4l3d56Zpcxs13iZVXQCTVytKdQhqMuIMOtcu iHzhxqo1E7qLZsq+kwT8GUIYobgjJoy12ijo/q6p1mObiIlAovHSMIejLka3kt4aAe9oeARY+E9 2VOzCDHhCcaspdl4AIm2F830q/Uij1x8cn6wWUKNmZbR66miP+LEWozNNzwyFxQRmSSLOObxDZQ 7GEk3RtVjjPh7E1s+Z5ZzdL+p1U+undy4I44Pi6iOMCZVrok5YCS/M4do= X-Received: by 2002:a17:902:e790:b0:2ae:5aed:1f4d with SMTP id d9443c01a7336-2ae8245cd73mr32902025ad.42.1772835918443; Fri, 06 Mar 2026 14:25:18 -0800 (PST) Received: from ryzen ([2601:644:8000:56f5::8bd]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ae83e7c58asm32516605ad.25.2026.03.06.14.25.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 14:25:17 -0800 (PST) From: Rosen Penev To: linux-phy@lists.infradead.org Cc: Vinod Koul , Neil Armstrong , Patrice Chotard , Kees Cook , "Gustavo A. R. Silva" , linux-kernel@vger.kernel.org (open list), linux-arm-kernel@lists.infradead.org (moderated list:ARM/STI ARCHITECTURE), linux-hardening@vger.kernel.org (open list:KERNEL HARDENING (not covered by other areas):Keyword:\b__counted_by(_le|_be)?\b) Subject: [PATCHv2 2/2] phy: miphy28lp: kzalloc + kcalloc to single kzalloc Date: Fri, 6 Mar 2026 14:24:57 -0800 Message-ID: <20260306222457.8400-3-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260306222457.8400-1-rosenp@gmail.com> References: <20260306222457.8400-1-rosenp@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260306_142519_783604_5946DEB0 X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use flex array to simplify allocation. Allows using __counted_by for extra runtime analysis. Signed-off-by: Rosen Penev --- drivers/phy/st/phy-miphy28lp.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/phy/st/phy-miphy28lp.c b/drivers/phy/st/phy-miphy28lp.c index 43cef89af55e..c576fc5569fe 100644 --- a/drivers/phy/st/phy-miphy28lp.c +++ b/drivers/phy/st/phy-miphy28lp.c @@ -224,8 +224,8 @@ struct miphy28lp_dev { struct device *dev; struct regmap *regmap; struct mutex miphy_mutex; - struct miphy28lp_phy **phys; int nphys; + struct miphy28lp_phy *phys[] __counted_by(nphys); }; enum miphy_sata_gen { SATA_GEN1, SATA_GEN2, SATA_GEN3 }; @@ -1168,16 +1168,14 @@ static int miphy28lp_probe(struct platform_device *pdev) struct phy_provider *provider; struct phy *phy; int ret, port = 0; + size_t nphys; - miphy_dev = devm_kzalloc(&pdev->dev, sizeof(*miphy_dev), GFP_KERNEL); + nphys = of_get_child_count(np); + miphy_dev = devm_kzalloc(&pdev->dev, struct_size(miphy_dev, phys, nphys), GFP_KERNEL); if (!miphy_dev) return -ENOMEM; - miphy_dev->nphys = of_get_child_count(np); - miphy_dev->phys = devm_kcalloc(&pdev->dev, miphy_dev->nphys, - sizeof(*miphy_dev->phys), GFP_KERNEL); - if (!miphy_dev->phys) - return -ENOMEM; + miphy_dev->nphys = nphys; miphy_dev->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg"); if (IS_ERR(miphy_dev->regmap)) { -- 2.53.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy