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 5.15-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-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7b763123d4e4f3d4f124b50e6dc9e849ec6f0829
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 038d9bb652b64..1753eccbefdd9 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -1082,6 +1082,7 @@ 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:
