net: usb: pegasus: fix memory leak in update_eth_regs_async()

[ Upstream commit afa27621a28af317523e0836dad430bec551eb54 ]

When asynchronously writing to the device registers and if usb_submit_urb()
fail, the code fail to release allocated to this point resources.

Fixes: 323b34963d11 ("drivers: net: usb: pegasus: fix control urb submission")
Signed-off-by: Petko Manolov <petkan@nucleusys.com>
Link: https://patch.msgid.link/20260106084821.3746677-1-petko.manolov@konsulko.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index cd063f45785b7ac7057ea537ab7d42d915bf9a04..fd7b9776b4824ce29f226e6ec7c9929efc5f5eca 100644 (file)
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -168,6 +168,8 @@ static int update_eth_regs_async(pegasus_t *pegasus)
                        netif_device_detach(pegasus->net);
                netif_err(pegasus, drv, pegasus->net,
                          "%s returned %d\n", __func__, ret);
+               usb_free_urb(async_urb);
+               kfree(req);
        }
        return ret;
 }