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 C15D4399015; Tue, 21 Jul 2026 22:55:08 +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=1784674509; cv=none; b=QCFKyV7hvRvT6UhdTF8ZUgN2HFdU+ksnQpnHVqQkevZb8AqhkCSzhTIvE2Dlu0knRK5Q5afG0LbCMhpKutZjBx9jMyewxILAe6hkkIreBlpMQDLabcawW7EtCs47FEWi202hP0gqE8kulqeLiLVq2Vrw3dilLtyemE8NFqJnpyQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784674509; c=relaxed/simple; bh=8EZgz9+UWCIELY3emokiX2zk7Xj2ZPAKF5gWYtoHatE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=T5DTj/+qYajHXBboj8zBNJHepRD37mBFCCB8lqjStwobeuYUyiYcKPxs9YgEhaYqXjqBCx1r/4/VXnprTTmDpfhf/ApA+wxU4qaw8rjMmhnqdmX6LwZ9I5HShLB7rUguT5lfYGGRlC4TRZ8ZfEsL1kdbMnKxwiIuq+4EFuzD2R0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=frLaLhQ7; 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="frLaLhQ7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 338641F000E9; Tue, 21 Jul 2026 22:55:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784674508; bh=KzKP5fnrm0kkq8l44wnNQaXX1pMOTWj3wnhPLCa2vyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=frLaLhQ7etLmlA00OgCTEHvQCq9ZWqik0o8TdFOkW2bBDtGmf4Dt8ZtFEMR+4vQ33 /n7TUSEuVNrADBtDfXICRCQ7gbF5tDOuiNG+oXwWVEX+6MzA6RM3shvvNGT1RRvDb4 GkJwvQdKS7+Txr9pdWvqROxl9NkQJJiNSIpEGyfs= 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 5.10 568/699] reset: sunxi: fix memory region leak on ioremap failure Date: Tue, 21 Jul 2026 17:25:27 +0200 Message-ID: <20260721152408.522744360@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152355.667394603@linuxfoundation.org> References: <20260721152355.667394603@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 5.10-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;