Jakub Kicinski 96ecdcc992 bnxt: don't enable NAPI until rings are ready ... Netpoll can try to poll napi as soon as napi_enable() is called. It crashes trying to access a doorbell which is still NULL: BUG: kernel NULL pointer dereference, address: 0000000000000000 CPU: 59 PID: 6039 Comm: ethtool Kdump: loaded Tainted: G S 5.9.0-rc1-00469-g5fd99b5d9950-dirty #26 RIP: 0010:bnxt_poll+0x121/0x1c0 Code: c4 20 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 8b 86 a0 01 00 00 41 23 85 18 01 00 00 49 8b 96 a8 01 00 00 0d 00 00 00 24 <89> 02 41 f6 45 77 02 74 cb 49 8b ae d8 01 00 00 31 c0 c7 44 24 1a netpoll_poll_dev+0xbd/0x1a0 __netpoll_send_skb+0x1b2/0x210 netpoll_send_udp+0x2c9/0x406 write_ext_msg+0x1d7/0x1f0 console_unlock+0x23c/0x520 vprintk_emit+0xe0/0x1d0 printk+0x58/0x6f x86_vector_activate.cold+0xf/0x46 __irq_domain_activate_irq+0x50/0x80 __irq_domain_activate_irq+0x32/0x80 __irq_domain_activate_irq+0x32/0x80 irq_domain_activate_irq+0x25/0x40 __setup_irq+0x2d2/0x700 request_threaded_irq+0xfb/0x160 __bnxt_open_nic+0x3b1/0x750 bnxt_open_nic+0x19/0x30 ethtool_set_channels+0x1ac/0x220 dev_ethtool+0x11ba/0x2240 dev_ioctl+0x1cf/0x390 sock_do_ioctl+0x95/0x130 Reported-by: Rob Sherwood <rsher@fb.com> Fixes: c0c050c58d ("bnxt_en: New Broadcom ethernet driver.") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-08-26 16:16:39 -07:00
..
appletalk
arcnet
bonding	bonding: fix active-backup failover for current ARP slave	2020-08-18 15:57:47 -07:00
caif
can
dsa	net: dsa: mt7530: Add of_node_put() before break and return statements	2020-08-25 07:44:41 -07:00
ethernet	bnxt: don't enable NAPI until rings are ready	2020-08-26 16:16:39 -07:00
fddi	net: fddi: skfp: cfm: Remove seemingly unused variable 'ID_sccs'	2020-08-14 20:42:25 -07:00
fjes
hamradio
hippi
hyperv	hv_netvsc: Fix the queue_mapping in netvsc_vf_xmit()	2020-08-20 16:24:00 -07:00
ieee802154
ipa	remoteproc updates for v5.9	2020-08-11 11:17:45 -07:00
ipvlan	ipvlan: fix device features	2020-08-16 15:15:00 -07:00
netdevsim	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2020-08-03 18:27:40 -07:00
phy	net: dp83869: Fix RGMII internal delay configuration	2020-08-26 07:13:28 -07:00
plip
ppp	mm, treewide: rename kzfree() to kfree_sensitive()	2020-08-07 11:33:22 -07:00
slip
team
usb	net: cdc_ncm: Fix build error	2020-08-26 07:29:40 -07:00
vmxnet3	vmxnet3: use correct tcp hdr length when packet is encapsulated	2020-08-10 12:09:38 -07:00
wan	drivers/net/wan/lapbether: Set network_header before transmitting	2020-08-26 15:50:58 -07:00
wimax
wireguard	mm, treewide: rename kzfree() to kfree_sensitive()	2020-08-07 11:33:22 -07:00
wireless	rtl818x: constify ioreadX() iomem argument (as in generic implementation)	2020-08-14 19:56:57 -07:00
xen-netback
bareudp.c	tunnels: PMTU discovery support for directly bridged IP packets	2020-08-04 13:01:45 -07:00
dummy.c
eql.c
geneve.c	geneve: Support for PMTU discovery on directly bridged links	2020-08-04 13:01:45 -07:00
gtp.c	gtp: add GTPA_LINK info to msg sent to userspace	2020-08-25 06:28:53 -07:00
ifb.c
Kconfig
LICENSE.SRC
loopback.c
macsec.c
macvlan.c	macvlan: validate setting of multiple remote source MAC addresses	2020-08-18 12:33:43 -07:00
macvtap.c
Makefile
mdio.c
mii.c
net_failover.c
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tap.c
thunderbolt.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next	2020-08-05 20:13:21 -07:00
tun.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2020-08-03 18:27:40 -07:00
veth.c	bpf, xdp: Remove XDP_QUERY_PROG and XDP_QUERY_PROG_HW XDP commands	2020-07-25 20:37:02 -07:00
virtio_net.c	virtio: fixes, features	2020-08-11 14:34:17 -07:00
vrf.c	vrf: Handle CONFIG_SYSCTL not set	2020-07-23 17:51:04 -07:00
vsockmon.c
vxlan.c	Revert "vxlan: fix tos value before xmit"	2020-08-05 12:09:10 -07:00
xen-netfront.c	bpf, xdp: Remove XDP_QUERY_PROG and XDP_QUERY_PROG_HW XDP commands	2020-07-25 20:37:02 -07:00