This is a note to let you know that I've just added the patch titled wifi: rtlwifi: fix init_sw_vars leak when probe fails to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-rtlwifi-fix-init_sw_vars-leak-when-probe-fails.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e0192c88ec8421bbdb280f228c6a31c06a9428ce Author: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx> Date: Thu Nov 7 10:33:21 2024 -0300 wifi: rtlwifi: fix init_sw_vars leak when probe fails [ Upstream commit 00260350aed80c002df270c805ca443ec9a719a6 ] If ieee80211_register_hw fails, the memory allocated for the firmware will not be released. Call deinit_sw_vars as the function that undoes the allocationes done by init_sw_vars. Fixes: cefe3dfdb9f5 ("rtl8192cu: Call ieee80211_register_hw from rtl_usb_probe") Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Link: https://patch.msgid.link/20241107133322.855112-5-cascardo@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index 087e398da36d9..66af56a79dbe5 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -1081,6 +1081,7 @@ int rtl_usb_probe(struct usb_interface *intf, error_init_vars: wait_for_completion(&rtlpriv->firmware_loading_complete); + rtlpriv->cfg->ops->deinit_sw_vars(hw); error_out: rtl_deinit_core(hw); error_out2: