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 E25F929ACCD; Fri, 21 Nov 2025 13:37:41 +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=1763732262; cv=none; b=uhkIBXJGc4kdVyW0w24FustBfi9JxufIQjOlHQykf9xy1Ebw0A6a2jDbcwTdkGmp+wILrdImBj+V6W4re+PoJEdYczWLt7BiTGXjw4kwygjG0SFztVLvTJgSgx/iyUAIkxPRWN3QwqbKZDbR7GhBzZtCcmqOCnN2UB4+T5k2t8k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763732262; c=relaxed/simple; bh=IGHVt0plmNgwJLR6qdFCg/3pv7+PAXiMAmjlErmNnEc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NVzBo9mePZxdgDCcXIKyt/cE+/QlPSwCt3QrYp4+Cw8YSAv1mP4QDEm14fJTC5Jm/wJHTOR84vbpQx1aXyNJ1Yg01uXGL/Cb6wtYx4ACz9yYrpziAhuUXNHnqVypKlMeZIXNnXSSStGm+XBjhbSMhEqDWDRE6TDPTp01b/jcQWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zxGpfXV/; 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="zxGpfXV/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B25FC4CEF1; Fri, 21 Nov 2025 13:37:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763732261; bh=IGHVt0plmNgwJLR6qdFCg/3pv7+PAXiMAmjlErmNnEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zxGpfXV/e3VHNNLkcvPidtt3UWVkh4rc6xEZv/azJNf15WIPun1Eb7gGNG1D1gr7F k5XHyOvSAqT8SF55B26YxoWARtU8eWAlhIsWE4pAMEtkRu0QUocAj41Ebc7Lig8LlV 0ScZfGbPYIfqMZdlMDHGdNq2Hm1m7JgmDlFWEv5Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haotian Zhang , Herbert Xu , Sasha Levin Subject: [PATCH 6.6 026/529] crypto: aspeed - fix double free caused by devm Date: Fri, 21 Nov 2025 14:05:25 +0100 Message-ID: <20251121130231.930992395@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130230.985163914@linuxfoundation.org> References: <20251121130230.985163914@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: Haotian Zhang [ Upstream commit 3c9bf72cc1ced1297b235f9422d62b613a3fdae9 ] The clock obtained via devm_clk_get_enabled() is automatically managed by devres and will be disabled and freed on driver detach. Manually calling clk_disable_unprepare() in error path and remove function causes double free. Remove the manual clock cleanup in both aspeed_acry_probe()'s error path and aspeed_acry_remove(). Fixes: 2f1cf4e50c95 ("crypto: aspeed - Add ACRY RSA driver") Signed-off-by: Haotian Zhang Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/aspeed/aspeed-acry.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/crypto/aspeed/aspeed-acry.c b/drivers/crypto/aspeed/aspeed-acry.c index b4613bd4ad964..8ca0913d94abf 100644 --- a/drivers/crypto/aspeed/aspeed-acry.c +++ b/drivers/crypto/aspeed/aspeed-acry.c @@ -789,7 +789,6 @@ static int aspeed_acry_probe(struct platform_device *pdev) err_engine_rsa_start: crypto_engine_exit(acry_dev->crypt_engine_rsa); clk_exit: - clk_disable_unprepare(acry_dev->clk); return rc; } @@ -801,7 +800,6 @@ static void aspeed_acry_remove(struct platform_device *pdev) aspeed_acry_unregister(acry_dev); crypto_engine_exit(acry_dev->crypt_engine_rsa); tasklet_kill(&acry_dev->done_task); - clk_disable_unprepare(acry_dev->clk); } MODULE_DEVICE_TABLE(of, aspeed_acry_of_matches); -- 2.51.0