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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C22FEC001B0 for ; Mon, 24 Jul 2023 01:37:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231871AbjGXBhD (ORCPT ); Sun, 23 Jul 2023 21:37:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229976AbjGXBgb (ORCPT ); Sun, 23 Jul 2023 21:36:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DB1749DF; Sun, 23 Jul 2023 18:32:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 981D760F7A; Mon, 24 Jul 2023 01:31:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FC73C433C7; Mon, 24 Jul 2023 01:31:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690162305; bh=49ZYWdB0TYGJyVBafWTGK2cns5HV2jajdznxNr4Zybc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r32pvdBTX29bPSzltcLOp2syWFSOHfjW6DJrvCAvZ92c7kM454lRCEDQ7mOZW9S1g a6jZHy6ar5mTEgv95ONjj1DLgXmwr1eSPTgJuAzQKb6jpwt+VHKE18srBIP7cAuDjq 5YFm7nppCvUM/hBKDbuvPFONS0yuSi+ufP1bZpx1d2K+/7xlGEkHtf+w6IW5YbOfWH oU2rwdRj3VVhkEH3cCp7lGbMzlSKrgQT+DAZ434EsWskL/NlBy7q9eYKeSRkMhj2ok mF7ROqS2WhReUv8kJKs52rLa8vMXB94Txc5IEeMrYhY800IF6BK5kQUDPjbuXn0U19 u3j/GLIEOodlw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lu Hongfei , Lee Jones , Sasha Levin , rpurdie@rpsys.net, jacek.anaszewski@gmail.com, pavel@ucw.cz, linux-leds@vger.kernel.org Subject: [PATCH AUTOSEL 6.4 02/40] led: qcom-lpg: Fix resource leaks in for_each_available_child_of_node() loops Date: Sun, 23 Jul 2023 21:31:02 -0400 Message-Id: <20230724013140.2327815-2-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230724013140.2327815-1-sashal@kernel.org> References: <20230724013140.2327815-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.4.5 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lu Hongfei [ Upstream commit 8f38f8fa7261819eb7d4fb369dc3bfab72259033 ] Ensure child node references are decremented properly in the error path. Signed-off-by: Lu Hongfei Link: https://lore.kernel.org/r/20230525111705.3055-1-luhongfei@vivo.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/leds/rgb/leds-qcom-lpg.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c index 1c849814a4917..212df2e3d3502 100644 --- a/drivers/leds/rgb/leds-qcom-lpg.c +++ b/drivers/leds/rgb/leds-qcom-lpg.c @@ -1173,8 +1173,10 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np) i = 0; for_each_available_child_of_node(np, child) { ret = lpg_parse_channel(lpg, child, &led->channels[i]); - if (ret < 0) + if (ret < 0) { + of_node_put(child); return ret; + } info[i].color_index = led->channels[i]->color; info[i].intensity = 0; @@ -1352,8 +1354,10 @@ static int lpg_probe(struct platform_device *pdev) for_each_available_child_of_node(pdev->dev.of_node, np) { ret = lpg_add_led(lpg, np); - if (ret) + if (ret) { + of_node_put(np); return ret; + } } for (i = 0; i < lpg->num_channels; i++) -- 2.39.2