From f4b81c117cc98c517cbc37ec16d36ba6bd299285 Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Fri, 6 Dec 2024 14:37:13 -0300 Subject: [PATCH] wifi: rtlwifi: pci: wait for firmware loading before releasing memory BugLink: https://bugs.launchpad.net/bugs/2111953 [ Upstream commit b59b86c5d08be7d761c04affcbcec8184738c200 ] At probe error path, the firmware loading work may have already been queued. In such a case, it will try to access memory allocated by the probe function, which is about to be released. In such paths, wait for the firmware worker to finish before releasing memory. Fixes: 3d86b93064c7 ("rtlwifi: Fix PCI probe error path orphaned memory") Signed-off-by: Thadeu Lima de Souza Cascardo Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20241206173713.3222187-5-cascardo@igalia.com Signed-off-by: Sasha Levin Signed-off-by: Manuel Diewald Signed-off-by: Mehmet Basaran --- drivers/net/wireless/realtek/rtlwifi/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 4f5be8ee90f2..913ed12e7280 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -2218,6 +2218,7 @@ fail5: fail4: rtl_deinit_core(hw); fail3: + wait_for_completion(&rtlpriv->firmware_loading_complete); rtlpriv->cfg->ops->deinit_sw_vars(hw); fail2: