This is a note to let you know that I've just added the patch titled wifi: plfxlc: fix potential memory leak in __lf_x_usb_enable_rx() to the 6.0-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-plfxlc-fix-potential-memory-leak-in-__lf_x_usb_.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit f9938aaaa6c9594d53037b072c08f3f2efe414c1 Author: Ziyang Xuan <william.xuanziyang@xxxxxxxxxx> Date: Sat Nov 19 13:19:00 2022 +0800 wifi: plfxlc: fix potential memory leak in __lf_x_usb_enable_rx() [ Upstream commit 895b3b06efc285c1245242e9638b9ae251dc13ec ] urbs does not be freed in exception paths in __lf_x_usb_enable_rx(). That will trigger memory leak. To fix it, add kfree() for urbs within "error" label. Compile tested only. Fixes: 68d57a07bfe5 ("wireless: add plfxlc driver for pureLiFi X, XL, XC devices") Signed-off-by: Ziyang Xuan <william.xuanziyang@xxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221119051900.1192401-1-william.xuanziyang@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/purelifi/plfxlc/usb.c b/drivers/net/wireless/purelifi/plfxlc/usb.c index 39e54b3787d6..76d0a778636a 100644 --- a/drivers/net/wireless/purelifi/plfxlc/usb.c +++ b/drivers/net/wireless/purelifi/plfxlc/usb.c @@ -247,6 +247,7 @@ static int __lf_x_usb_enable_rx(struct plfxlc_usb *usb) for (i = 0; i < RX_URBS_COUNT; i++) free_rx_urb(urbs[i]); } + kfree(urbs); return r; }