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 6956513A244; Thu, 1 Aug 2024 00:10:04 +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=1722471004; cv=none; b=u7+2Kc+WGq/A+Pdj15g08tdyGJ9zgDaDZtoZjukNokNMcZsJ2KG5KmrOXN8aqif3nqwgP0vLRhzoUlZNUccwMMYV6VANMiZU10YGsw/CYeXljw65zg/zNpbKmADLjSvSjYiL1gPrlGt90ObG0PHVnaaUTE+goGqaK3DHH03+KKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722471004; c=relaxed/simple; bh=arEer1dFqmWmtbAkxJOM64J6aTbELKyZiNwZtZtziE0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hcLbjmrB6aRMPUZzh4sggyA1QA6xMJWDBlHIoEkGh1HO0HRetDOT12vuFiDTAklWtz8khqEFTrlIiMlvgWHGYRRV5aRlL7sYJxvq3ROUfFvFS9ZRz95XyOLaxjbTYgJfdF4faYgLaVk+tuvWAoYxezNWyLHdd/SIdUf0zZjt7w4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HXecAyAL; 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="HXecAyAL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EED8FC32786; Thu, 1 Aug 2024 00:10:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722471004; bh=arEer1dFqmWmtbAkxJOM64J6aTbELKyZiNwZtZtziE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HXecAyALU8Fgjiz2RnM7GV1Adcr2k5coesxkvoccIwvGM6WMp4ukhX4VMb+o+v0po ieMeM+HY2Envd792HyXj52699KfJU8uoerMVserdKKjLOZhDXnx6tXJ52wkjc8YtV7 z6z7VE318F1q5HYYrx/KsCG06yApdcbXAucZ865gjvY4pTrp9aC45e5OZvBDymsC9b ReZSAVIBdrGvgwgUiDJVoTrxKr2y8tHPMNcz6kJg3yl7TD0vDoHCh2T4PcH4WM1VsN Cg4J8gcq0xoeb6Prw9D1w30JEBFOgerCDtk3zm7pm2WjeooHrgCfrgixMf2vOi379I kPneJm5atQDZg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hersen Wu , Alex Hung , Rodrigo Siqueira , Tom Chung , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, srinivasan.shanmugam@amd.com, hamza.mahfooz@amd.com, lenko.donchev@gmail.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.10 016/121] drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range Date: Wed, 31 Jul 2024 19:59:14 -0400 Message-ID: <20240801000834.3930818-16-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: Hersen Wu [ Upstream commit 5524fa301ba649f8cf00848f91468e0ba7e4f24c ] [Why & How] ASSERT if return NULL from kcalloc. Reviewed-by: Alex Hung Reviewed-by: Rodrigo Siqueira Acked-by: Tom Chung Signed-off-by: Hersen Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c index a72c898b64fab..584b9295a12af 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c @@ -165,6 +165,7 @@ static void dpcd_extend_address_range( *out_address = new_addr_range.start; *out_size = ADDRESS_RANGE_SIZE(new_addr_range.start, new_addr_range.end); *out_data = kcalloc(*out_size, sizeof(**out_data), GFP_KERNEL); + ASSERT(*out_data); } } -- 2.43.0