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 6E92224BBE4; Mon, 23 Jun 2025 13:15:07 +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=1750684507; cv=none; b=YmAvGNy6HFS7qr7Y4k7txcAOI2qj8HozDc3gEU/ZkZSBItoEVGdoY9Kf3SzOox+FbjhGyrl+swpQX6Q+ljiJ9TDaEHEeCaplvucK+lCkam5L76P5jJAvllQLYN5YvlqwLf0bisS6iaK5wZmKMzwENJ5aD0+2qjRjQnPNkf9XV1s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684507; c=relaxed/simple; bh=p5WWBJfpduQ5Ns9tyXId9mVWsUktYKyOjhaDAweuMhU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ebSuLsMk59CjRsl8fta8nBCyQsTQVQVO4cG5EBy4nAKuPKo/1Lpt3K5A7zhgLkUgHPJJ4QLrNZ4wkYHuD7ztnxIhjfj7BD+SOxvhT8c94DtMkMPiETaSEZLyist4DOKuEJ8xMIA4mSG9FQqT7uEwJfeevd5OJOIueBzb6CFzm8A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=yowfHEp/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="yowfHEp/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F04C3C4CEEA; Mon, 23 Jun 2025 13:15:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750684507; bh=p5WWBJfpduQ5Ns9tyXId9mVWsUktYKyOjhaDAweuMhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yowfHEp/FP+lDw8cVswSyBidycXrpLdifd8ymmh55et7FCcTfpB2Ch5nl057xCv0H DNmhjEp1chjmp9+pM86fh3lLppJhEUrq91M6Pw9/cSUNohn5cSLlmw918fhTPMgJLe 5vPl6eWfwq9Xjh3XC2wUtq2qb+E1NnAX15Qpbgew= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Krzysztof Kozlowski , Mark Brown Subject: [PATCH 6.15 095/592] ASoC: codecs: wcd9375: Fix double free of regulator supplies Date: Mon, 23 Jun 2025 15:00:53 +0200 Message-ID: <20250623130702.537993331@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130700.210182694@linuxfoundation.org> References: <20250623130700.210182694@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Krzysztof Kozlowski commit 63fe298652d4eda07d738bfcbbc59d1343a675ef upstream. Driver gets regulator supplies in probe path with devm_regulator_bulk_get(), so should not call regulator_bulk_free() in error and remove paths to avoid double free. Fixes: 216d04139a6d ("ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20250526-b4-b4-asoc-wcd9395-vdd-px-fixes-v1-3-0b8a2993b7d3@linaro.org Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/codecs/wcd937x.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) --- a/sound/soc/codecs/wcd937x.c +++ b/sound/soc/codecs/wcd937x.c @@ -2945,10 +2945,8 @@ static int wcd937x_probe(struct platform return dev_err_probe(dev, ret, "Failed to get supplies\n"); ret = regulator_bulk_enable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); - if (ret) { - regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); + if (ret) return dev_err_probe(dev, ret, "Failed to enable supplies\n"); - } wcd937x_dt_parse_micbias_info(dev, wcd937x); @@ -2984,7 +2982,6 @@ static int wcd937x_probe(struct platform err_disable_regulators: regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); - regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); return ret; } @@ -3001,7 +2998,6 @@ static void wcd937x_remove(struct platfo pm_runtime_dont_use_autosuspend(dev); regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); - regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); } #if defined(CONFIG_OF)