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 7AD5F1A5A4; Fri, 24 Nov 2023 19:22:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0zf7qBNB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6308C433C8; Fri, 24 Nov 2023 19:22:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700853728; bh=AIcChaYyCYFY9KMnERvnhChAGT5fVPiUiSHF51himOk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0zf7qBNBioaSM918+7ylhPG2HhV5kMaa0rUh9hmp1f50Ed0gPFRCdusVyXGPIe6nl 3Y2k3Iq3XZ7ySsnuIDoT/E0ueNP4bFaLpNS5p+lZd8bDZtcjBcbV1SirCCMQcxFCOK FLysTNrFSS/gFjLJGOI4keXRQ/5XPjVpbePc9OBo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Saravana Kannan , Thierry Reding , Yang Yingliang , Andy Shevchenko , Mark Brown , Matti Vaittinen , James Clark , "Rafael J. Wysocki" Subject: [PATCH 5.15 297/297] driver core: Release all resources during unbind before updating device links Date: Fri, 24 Nov 2023 17:55:39 +0000 Message-ID: <20231124172010.485979506@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231124172000.087816911@linuxfoundation.org> References: <20231124172000.087816911@linuxfoundation.org> User-Agent: quilt/0.67 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Saravana Kannan commit 2e84dc37920012b458e9458b19fc4ed33f81bc74 upstream. This commit fixes a bug in commit 9ed9895370ae ("driver core: Functional dependencies tracking support") where the device link status was incorrectly updated in the driver unbind path before all the device's resources were released. Fixes: 9ed9895370ae ("driver core: Functional dependencies tracking support") Cc: stable Reported-by: Uwe Kleine-König Closes: https://lore.kernel.org/all/20231014161721.f4iqyroddkcyoefo@pengutronix.de/ Signed-off-by: Saravana Kannan Cc: Thierry Reding Cc: Yang Yingliang Cc: Andy Shevchenko Cc: Mark Brown Cc: Matti Vaittinen Cc: James Clark Acked-by: "Rafael J. Wysocki" Tested-by: Uwe Kleine-König Acked-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20231018013851.3303928-1-saravanak@google.com Signed-off-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman --- drivers/base/dd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -1228,8 +1228,6 @@ static void __device_release_driver(stru else if (drv->remove) drv->remove(dev); - device_links_driver_cleanup(dev); - devres_release_all(dev); arch_teardown_dma_ops(dev); kfree(dev->dma_range_map); @@ -1241,6 +1239,8 @@ static void __device_release_driver(stru pm_runtime_reinit(dev); dev_pm_set_driver_flags(dev, 0); + device_links_driver_cleanup(dev); + klist_remove(&dev->p->knode_driver); device_pm_check_callbacks(dev); if (dev->bus)