From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D28E128F3; Thu, 1 Aug 2024 00:09:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470993; cv=none; b=OfieX7VcFK+oZd4ZHPz/iUO9XmW3pfPkdlch4rIk4+w+4zWahSKhHJ/g4+TYWT8tPfoxTEN+PkHShKKzdDLZCtG8d8N/Ditp+CVM9/Q08Y4/YAa0VCYuOtIlpKPJMXj1XZfaAO0jn5670+MU5XUUvAf3iB987QnnPimxJ4MVlk8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722470993; c=relaxed/simple; bh=urbdiKoWp4k0BQdRumoDWifT/RyLXzMSIUSYLtqW5UE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AAhzVix9YO/ww8OVhO4yp+Pb1BV1cSljtnRRnG8ui9EwU3jNAtDr+iJbdE2m8WQJG48lGslEDOP17Vb2PBFF2G7igkHuDVageG16Tyr9TZxycMQsfDdyrf5ChTq9+o93dL8VXpYyNVfdOlIdWJ1MvZ7zEsGFstkvt4FkiuREnak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g+DNoyIB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="g+DNoyIB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23E16C116B1; Thu, 1 Aug 2024 00:09:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722470993; bh=urbdiKoWp4k0BQdRumoDWifT/RyLXzMSIUSYLtqW5UE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g+DNoyIBXzjWf1vMtqklud+dbk3Wetw9MtjwNhcZKXjBdJzHWyWtKMyAWKUzmSmaX Y9xRTRBFBtdDGcVaH/4Z7EeNH5GQdJkr8750ZxJ0QpcAmBxGho0mR0mtCjtBIhdgam smTatUZBiss88OMPQoReXPvWeHD5i0Bb8AXDrRXaFPNPFx5bM0enLzlwTYe+SZaIh1 nQJ227E+PmW2OgFmdMRV8NTLF3p/xE5CDBfE+yd/DlIImE4S1qCQuyncoSKi1v0r2C ipWcZPrp7+jYeEUv/AEL4BTQyubZwAvWBjqgqTn6K/MfNee2OPr38hcv7qKX06qMeJ FGuf9KzRIYkTw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alex Hung , Harry Wentland , Tom Chung , Daniel Wheeler , Alex Deucher , Sasha Levin , sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, daniel.miess@amd.com, charlene.liu@amd.com, nicholas.kazlauskas@amd.com, wayne.lin@amd.com, yi-lchen@amd.com, harikrishna.revalla@amd.com, ahmed.ahmed@amd.com, Qingqing.Zhuo@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.10 014/121] drm/amd/display: Fix incorrect size calculation for loop Date: Wed, 31 Jul 2024 19:59:12 -0400 Message-ID: <20240801000834.3930818-14-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240801000834.3930818-1-sashal@kernel.org> References: <20240801000834.3930818-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.10.2 Content-Transfer-Encoding: 8bit From: Alex Hung [ Upstream commit 3941a3aa4b653b69876d894d08f3fff1cc965267 ] [WHY] fe_clk_en has size of 5 but sizeof(fe_clk_en) has byte size 20 which is lager than the array size. [HOW] Divide byte size 20 by its element size. This fixes 2 OVERRUN issues reported by Coverity. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c index 024dcf3057a05..f2379709dd941 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c @@ -895,7 +895,7 @@ static uint8_t dccg35_get_other_enabled_symclk_fe(struct dccg *dccg, uint32_t st /* for DPMST, this backend could be used by multiple front end. only disable the backend if this stream_enc_ins is the last active stream enc connected to this back_end*/ uint8_t i; - for (i = 0; i != link_enc_inst && i < sizeof(fe_clk_en); i++) { + for (i = 0; i != link_enc_inst && i < ARRAY_SIZE(fe_clk_en); i++) { if (fe_clk_en[i] && be_clk_sel[i] == link_enc_inst) num_enabled_symclk_fe++; } -- 2.43.0