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 3C476298CC4; Tue, 21 Jul 2026 22:24:55 +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=1784672696; cv=none; b=BkZ2wNEeHlPlyQyOuIhdxYtCu8bHJNvMrOu+AC/Uf/HrP6QYie+uJ19/l88O7Sji+BctJxQW2lfDYEaFDeQkpifS9cW4Jr37Dagf3x6vjR6FdxKvArvCqE6wJ0p/CqDVmQLRNaJyQl61ugSoGS9Rq+7vZ5icQaqPUKfRCSU2uPo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784672696; c=relaxed/simple; bh=0zS8whnGmoqBQHW7NbkCyU94uuMSHi7NemBjms2ZNZ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ubp+6h6pRAo8Zt/yl/8GNqQRnCx/4Lyef61Se5O1n5aIPZmEJ1q5yZaVDLl8PnDynoIJItPSPbxF5q9BbXhOxCb+jec7+a8k78JOjewyhGLCA2lj52Xwr5hdYdbk7F1o0UX0JY5AHaKA70sp7j/m4wsJctBb7ZSohxLsdFgl2aM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Fb7i2eWr; 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="Fb7i2eWr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99EB21F000E9; Tue, 21 Jul 2026 22:24:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784672695; bh=+x2//r9qZ1wueqPfZ38UFfrpsSs3MaM9uMGVLAngNXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Fb7i2eWrnbeK7R10AowvHAy5iLmOSE+V5I5gkzA2CmBIU+/S2vlpCQG2oxo3qYy5J PbhpGYCRI3EIwUyjYE6zX+F9j10BTUQH0I3eabwVpljHNDj+jq5l4ZvD0P9epPgKVA RVE7gyYgXSCZU0dRrJ6bjcSL2EeoCTUFYORXkbtc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhao Dongdong , Philipp Zabel , Jernej Skrabec Subject: [PATCH 5.15 720/843] reset: sunxi: fix memory region leak on ioremap failure Date: Tue, 21 Jul 2026 17:25:55 +0200 Message-ID: <20260721152422.243619062@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152405.946368001@linuxfoundation.org> References: <20260721152405.946368001@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhao Dongdong commit 1a8c89f8c112c75e84ff9a140f969e372aed0c9a upstream. In sunxi_reset_init(), when ioremap() fails, the memory region obtained via request_mem_region() is not released, leading to a resource leak. Add an err_mem_region label to properly release the memory region before freeing the data structure. Fixes: 8f1ae77f4666 ("reset: Add Allwinner SoCs Reset Controller Driver") Cc: stable@vger.kernel.org Signed-off-by: Zhao Dongdong Reviewed-by: Philipp Zabel Acked-by: Jernej Skrabec Signed-off-by: Philipp Zabel Signed-off-by: Greg Kroah-Hartman --- drivers/reset/reset-sunxi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/reset/reset-sunxi.c +++ b/drivers/reset/reset-sunxi.c @@ -44,7 +44,7 @@ static int sunxi_reset_init(struct devic data->membase = ioremap(res.start, size); if (!data->membase) { ret = -ENOMEM; - goto err_alloc; + goto err_mem_region; } spin_lock_init(&data->lock); @@ -57,6 +57,8 @@ static int sunxi_reset_init(struct devic return reset_controller_register(&data->rcdev); +err_mem_region: + release_mem_region(res.start, size); err_alloc: kfree(data); return ret;