From: Petko Manolov <petkan@nucleusys.com>
Date: Tue, 6 Jan 2026 08:48:21 +0000 (+0200)
Subject: net: usb: pegasus: fix memory leak in update_eth_regs_async()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afa27621a28af317523e0836dad430bec551eb54;p=thirdparty%2Fkernel%2Flinux.git

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

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>
---

diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 81ca64debc5b..c514483134f0 100644
--- 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;
 }