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linux/drivers/net
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Philipp David b0ce5fd9fa igc: fix netdev not re-attached after resume if interface is down 
__igc_resume() calls netif_device_attach() only inside the
netif_running() branch, so an interface that was down during suspend
is never re-attached on resume. It then stays in the not-present state
that __igc_shutdown() set via netif_device_detach(): ethtool reports
ENODEV and every attempt to bring the interface up fails the
netif_device_present() check in __dev_open() with -ENODEV, silently,
since __igc_resume() returns 0. Only reloading the driver recovers the
device.

This is easy to hit in practice because NetworkManager brings managed
interfaces down before sleep unless Wake-on-LAN is configured, making
the adapter unusable after every suspend/resume cycle with WoL
disabled.

Re-attach the netdev on every successful resume, as igb and e1000e do.

Fixes: 6f31d6b643 ("igc: Refactor runtime power management flow")
Cc: stable@vger.kernel.org
Signed-off-by: Philipp David <pd-lkml@3b.pm>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20260804222205.1580328-11-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-08-06 10:21:28 -07:00
..
arcnet net: arcnet: com20020-pci: avoid -Wformat-truncation warning 2026-05-22 17:20:57 -07:00
bonding bonding: alb: re-check primary_is_promisc under RTNL in bond_alb_monitor 2026-07-30 16:16:48 -07:00
can can: ems_usb: validate CPC message lengths 2026-07-29 12:00:18 +02:00
dsa net: dsa: realtek: use devm_mutex_init for l2_lock 2026-07-29 18:42:27 -07:00
ethernet igc: fix netdev not re-attached after resume if interface is down 2026-08-06 10:21:28 -07:00
fddi FDDI: defza: Sanitise the reset safety timer 2026-05-13 17:31:01 -07:00
fjes net: fjes: Drop fjes_acpi_driver and rework initialization 2026-03-19 17:20:55 -07:00
hyperv hv_netvsc: use kmap_local_page in netvsc_copy_to_send_buf 2026-06-09 13:16:30 +02:00
ieee802154 Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03 07:38:17 +02:00
ipa net: ipa: fix SMEM state handle leaks in SMP2P init 2026-06-26 18:40:04 -07:00
ipvlan ipvlan: use netif_receive_skb() in ipvlan_process_multicast() 2026-05-13 17:55:14 -07:00
mctp mctp: serial: handle zero-length frames to prevent rx buffer overflow 2026-07-23 15:34:00 +02:00
mdio Including fixes from netfilter, Bluetooth and batman-adv. 2026-07-09 08:26:51 -07:00
netdevsim netdevsim: remove ethtool debugfs files before freeing netdev 2026-06-29 18:47:23 -07:00
ovpn ovpn: fix incorrect use of rcu_access_pointer() 2026-07-30 11:28:30 +02:00
pcs net: pcs: xpcs: fix SGMII state reading 2026-07-23 08:22:21 -07:00
phy net: phy: mediatek: fix TX blink masks using the RX bits 2026-08-06 14:53:16 +02:00
plip
ppp pppoe: reload header pointer after dev_hard_header() 2026-07-23 07:01:53 -07:00
pse-pd net: pse-pd: scope pse_control regulator handle to kref lifetime 2026-06-26 18:43:09 -07:00
slip net: slip: serialize receive against buffer reallocation 2026-07-23 09:06:48 -07:00
team net: team: don't recurse on the port's netdev ops lock 2026-06-04 14:04:55 -07:00
thunderbolt net: thunderbolt: Tear down DMA paths before stopping the rings 2026-08-06 08:19:53 -07:00
usb net: usb: ipheth: fix carrier_work UAF on disconnect 2026-08-06 08:21:57 -07:00
vmxnet3 vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets 2026-07-22 13:52:44 -07:00
vxlan vxlan: use pskb_network_may_pull() for transmit path header pulls 2026-07-27 15:16:15 -07:00
wan wan: wanxl: Only reset hardware after BAR mapping 2026-07-21 13:12:43 +02:00
wireguard Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-01 13:42:12 +02:00
wireless wifi: iwlegacy: replace BUG_ON() with WARN_ON() on num_stations check 2026-07-28 15:35:37 +02:00
wwan Split <linux/mod_devicetable.h> in per subsystem headers 2026-07-02 20:54:26 -10:00
xen-netback
amt.c amt: fix use-after-free in AMT delayed works 2026-07-23 07:00:35 -07:00
bareudp.c bareudp: Use rtnl_dereference() in bareudp_sock_release(). 2026-05-20 19:12:29 -07:00
dummy.c net: change ndo_set_rx_mode_async return type to int 2026-06-09 18:15:29 -07:00
eql.c
geneve.c geneve: require CAP_NET_ADMIN in the device netns for changelink 2026-07-23 08:17:09 -07:00
gtp.c gtp: check skb_pull_data() return in gtp1u_send_echo_resp() 2026-07-21 15:02:29 -07:00
ifb.c net: ifb: report ethtool stats over num_tx_queues 2026-05-14 18:40:04 -07:00
Kconfig ne2k: fold drivers/net/Space.c into ne.c 2026-05-01 16:46:53 -07:00
LICENSE.SRC
loopback.c
macsec.c macsec: fix promiscuity refcount leak in macsec_dev_open() 2026-07-11 12:52:15 +02:00
macvlan.c macvlan: fix macvlan_get_size() not reserving space for IFLA_MACVLAN_BC_CUTOFF 2026-04-16 12:17:11 +02:00
macvtap.c kernfs: pass struct ns_common instead of const void * for namespace tags 2026-04-09 14:36:52 +02:00
Makefile ne2k: fold drivers/net/Space.c into ne.c 2026-05-01 16:46:53 -07:00
mdio.c
mhi_net.c Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03 07:38:17 +02:00
mii.c
net_failover.c net: net_failover: Fix the deadlock in slave register 2026-05-13 19:01:03 -07:00
netconsole.c netconsole: don't drop the last byte of a full-sized message 2026-06-18 18:08:41 -07:00
netkit.c net: change ndo_set_rx_mode_async return type to int 2026-06-09 18:15:29 -07:00
nlmon.c
ntb_netdev.c net: ntb_netdev: add SPDX tag and remove boilerplate license text 2026-03-19 17:17:32 -07:00
pfcp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-16 14:59:58 -07:00
rionet.c
sungem_phy.c
tap.c net: tap: set skb->dev before parsing virtio net header in tap_get_user_xdp() 2026-08-05 17:32:55 -07:00
tun_vnet.h virtio-net: correct hdr_len handling for VIRTIO_NET_F_GUEST_HDRLEN 2026-03-24 11:12:07 +01:00
tun.c Revert "tun/tap: add ptr_ring consume helper with netdev queue wakeup" 2026-07-29 17:12:27 -07:00
veth.c veth: convert frag_list skbs before running XDP 2026-07-24 17:02:10 -07:00
virtio_net.c virtio_net: disable cb when NAPI is busy-polled 2026-06-30 17:03:37 -07:00
vrf.c vrf: Fix a potential NPD when removing a port from a VRF 2026-04-27 17:43:22 -07:00
vsockmon.c
xen-netfront.c xen: branch for v7.0-rc3 2026-03-07 07:44:32 -08:00