From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 D36D7356A12; Sat, 17 Oct 2026 17:21:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792257682; cv=none; b=KYtPNucK1ixZVXcXdWzGEtKFBIsTBSKI7PHsbFBu7iGuDaObF0XhaFVRqYUDGAuapoWkuQ/DZWkf3La7zj4IocCB/ec2GA7TwD7ak51Z/lnm/wSKPGcf52XLFFYe0c6CJhRC5ucvH9pecvCf+7vFCeT9K8P5ftgpx3ujyfX6tx4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792257682; c=relaxed/simple; bh=weZqGLD7vRhWPsMu+6Ufm5EcMuHP8zLgkqIltnXcdmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=f2Le+Di2KMCP1TMTM0iuDGzoxypVy965EOs2kJAHdspqroVuCcFLdnyqSUcY+ShuAHCFq5jEz2xDVaY/GbAjHIBJQL7b+O6QigsJvJI+3thBogQrUqnihgASg4RT4udkZwzYTzroHNIlsMsqxGmcK2lzhFIIBtas73FDIaNG2hE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=On/PGCze; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="On/PGCze" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3486C1F000C4; Sat, 17 Oct 2026 17:21:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1792257681; bh=NmWqzRCsAtf1D//YCaPPYbavUNhNQ7BDf9l43lG7P0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=On/PGCzehOUPtqLPnCaKAyNoBHo4H2mArfGC8/BFK2TOMCMT9Sn6/CH56N3oMDKsQ Sti9JXMtMMZ2QNxVINQCyxLieYEP0iMf5Qr1FODn3Mek+OMhOl1HGEL5u1/8VtB0Zl B8DTV55LRXV3ZwhZDwuAQjY8idYzQereu4ZarS9E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Hung , Rodrigo Siqueira , Tom Chung , Hersen Wu , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 0637/1674] drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range Date: Sat, 17 Oct 2026 17:48:29 +0200 Message-ID: <20261017160447.448408753@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261017160431.119607952@linuxfoundation.org> References: <20261017160431.119607952@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ 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 c5de6ed5bf581..1fdbc6aa03683 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); } } -- 2.53.0