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

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>