From 77dc7f98b0cd3409f30b29c115a9ad0cb8c23fb1 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 25 Dec 2024 15:30:53 +0800 Subject: [PATCH] pmdomain: imx93-blk-ctrl: correct remove path stable inclusion from stable-v6.6.63 commit 8fc228ab5d38a026eae7183a5f74a4fac43d9b6a category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IB956J CVE: CVE-2024-53134 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8fc228ab5d38a026eae7183a5f74a4fac43d9b6a -------------------------------- commit f7c7c5aa556378a2c8da72c1f7f238b6648f95fb upstream. The check condition should be 'i < bc->onecell_data.num_domains', not 'bc->onecell_data.num_domains' which will make the look never finish and cause kernel panic. Also disable runtime to address "imx93-blk-ctrl 4ac10000.system-controller: Unbalanced pm_runtime_enable!" Fixes: e9aa77d413c9 ("soc: imx: add i.MX93 media blk ctrl driver") Signed-off-by: Peng Fan Reviewed-by: Stefan Wahren Cc: stable@vger.kernel.org Message-ID: <20241101101252.1448466-1-peng.fan@oss.nxp.com> Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman Signed-off-by: Rui Xiang Reviewed-by: Weilong Chen Signed-off-by: Yongqiang Liu --- drivers/pmdomain/imx/imx93-blk-ctrl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pmdomain/imx/imx93-blk-ctrl.c b/drivers/pmdomain/imx/imx93-blk-ctrl.c index 40bd90f8b977..ec6198e35eb7 100644 --- a/drivers/pmdomain/imx/imx93-blk-ctrl.c +++ b/drivers/pmdomain/imx/imx93-blk-ctrl.c @@ -313,7 +313,9 @@ static int imx93_blk_ctrl_remove(struct platform_device *pdev) of_genpd_del_provider(pdev->dev.of_node); - for (i = 0; bc->onecell_data.num_domains; i++) { + pm_runtime_disable(&pdev->dev); + + for (i = 0; i < bc->onecell_data.num_domains; i++) { struct imx93_blk_ctrl_domain *domain = &bc->domains[i]; pm_genpd_remove(&domain->genpd); -- Gitee