From f25caaca424703d5a0607310f0452f978f1f78d9 Mon Sep 17 00:00:00 2001 From: HW He Date: Thu, 3 Nov 2022 18:40:00 +0800 Subject: [PATCH] net: wwan: iosm: fix memory leak in ipc_wwan_dellink IOSM driver registers network device without setting the needs_free_netdev flag, and does NOT call free_netdev() when unregisters network device, which causes a memory leak. This patch sets needs_free_netdev to true when registers network device, which makes netdev subsystem call free_netdev() automatically after unregister_netdevice(). Fixes: 2a54f2c77934 ("net: iosm: net driver") Signed-off-by: HW He Reviewed-by: Loic Poulain Signed-off-by: Zhaoping Shu Signed-off-by: David S. Miller --- drivers/net/wwan/iosm/iosm_ipc_wwan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wwan/iosm/iosm_ipc_wwan.c b/drivers/net/wwan/iosm/iosm_ipc_wwan.c index 2f1f8b5d5b595..0108d8d01ff26 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_wwan.c +++ b/drivers/net/wwan/iosm/iosm_ipc_wwan.c @@ -168,6 +168,7 @@ static void ipc_wwan_setup(struct net_device *iosm_dev) iosm_dev->max_mtu = ETH_MAX_MTU; iosm_dev->flags = IFF_POINTOPOINT | IFF_NOARP; + iosm_dev->needs_free_netdev = true; iosm_dev->netdev_ops = &ipc_inm_ops; } -- 2.30.2