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 8CCFC1863 for ; Wed, 28 Dec 2022 15:18:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0FB85C433D2; Wed, 28 Dec 2022 15:18:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672240732; bh=2+yGkZGaNyCbSJI9rUMdqTnr556rvhFSXRwi13uONHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NfUMxkfPbdx+CYuDHvCZq2AbHkPtciIo7i8fL8siI6d13dGZEE79dKFYr0tEAEMWw Hc88gRwFzYbIaAEw4S70N55DUE71QCbu7O/uadhIFM1FV6d3vHWncIM9xcaQ5XyayW LTuLnlLeNhe0n4hVuTf6Zw6VUvQD8mYYcoimS4EM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Gaosheng Cui , Herbert Xu , Sasha Levin Subject: [PATCH 5.15 391/731] crypto: ccree - Remove debugfs when platform_driver_register failed Date: Wed, 28 Dec 2022 15:38:18 +0100 Message-Id: <20221228144307.894012115@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Gaosheng Cui [ Upstream commit 4f1c596df706c9aca662b6c214fad84047ae2a97 ] When platform_driver_register failed, we need to remove debugfs, which will caused a resource leak, fix it. Failed logs as follows: [ 32.606488] debugfs: Directory 'ccree' with parent '/' already present! Fixes: 4c3f97276e15 ("crypto: ccree - introduce CryptoCell driver") Signed-off-by: Gaosheng Cui Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/ccree/cc_driver.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index 790fa9058a36..41f0a404bdf9 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -656,9 +656,17 @@ static struct platform_driver ccree_driver = { static int __init ccree_init(void) { + int rc; + cc_debugfs_global_init(); - return platform_driver_register(&ccree_driver); + rc = platform_driver_register(&ccree_driver); + if (rc) { + cc_debugfs_global_fini(); + return rc; + } + + return 0; } module_init(ccree_init); -- 2.35.1