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linux/drivers/net/ethernet/broadcom
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Michael Chan 4611d88a37 bnxt_en: Fix lockdep warning during rmmod 
The commit under the Fixes tag added a netdev_assert_locked() in
bnxt_free_ntp_fltrs().  The lock should be held during normal run-time
but the assert will be triggered (see below) during bnxt_remove_one()
which should not need the lock.  The netdev is already unregistered by
then.  Fix it by calling netdev_assert_locked_or_invisible() which will
not assert if the netdev is unregistered.

WARNING: CPU: 5 PID: 2241 at ./include/net/netdev_lock.h:17 bnxt_free_ntp_fltrs+0xf8/0x100 [bnxt_en]
Modules linked in: rpcrdma rdma_cm iw_cm ib_cm configfs ib_core bnxt_en(-) bridge stp llc x86_pkg_temp_thermal xfs tg3 [last unloaded: bnxt_re]
CPU: 5 UID: 0 PID: 2241 Comm: rmmod Tainted: G S      W           6.16.0 #2 PREEMPT(voluntary)
Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN
Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/17/2017
RIP: 0010:bnxt_free_ntp_fltrs+0xf8/0x100 [bnxt_en]
Code: 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 48 8b 47 60 be ff ff ff ff 48 8d b8 28 0c 00 00 e8 d0 cf 41 c3 85 c0 0f 85 2e ff ff ff <0f> 0b e9 27 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffa92082387da0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9e5b593d8000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff83dc9a70 RDI: ffffffff83e1a1cf
RBP: ffff9e5b593d8c80 R08: 0000000000000000 R09: ffffffff8373a2b3
R10: 000000008100009f R11: 0000000000000001 R12: 0000000000000001
R13: ffffffffc01c4478 R14: dead000000000122 R15: dead000000000100
FS:  00007f3a8a52c740(0000) GS:ffff9e631ad1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb289419c8 CR3: 000000011274e001 CR4: 00000000003706f0
Call Trace:
 <TASK>
 bnxt_remove_one+0x57/0x180 [bnxt_en]
 pci_device_remove+0x39/0xc0
 device_release_driver_internal+0xa5/0x130
 driver_detach+0x42/0x90
 bus_remove_driver+0x61/0xc0
 pci_unregister_driver+0x38/0x90
 bnxt_exit+0xc/0x7d0 [bnxt_en]

Fixes: 004b500801 ("eth: bnxt: remove most dependencies on RTNL")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250816183850.4125033-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-08-18 17:51:22 -07:00
..
asp2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-24 11:10:46 -07:00
bnge bnxt: move bnxt_hsi.h to include/linux/bnxt/hsi.h 2025-07-15 16:03:24 -07:00
bnx2x Networking changes for 6.17. 2025-07-30 08:58:55 -07:00
bnxt bnxt_en: Fix lockdep warning during rmmod 2025-08-18 17:51:22 -07:00
genet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-10 10:10:49 -07:00
b44.c net: Fix typos 2025-07-25 10:29:07 -07:00
b44.h
bcm63xx_enet.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
bcm63xx_enet.h
bcm4908_enet.c
bcm4908_enet.h
bcmsysport.c
bcmsysport.h
bgmac-bcma-mdio.c
bgmac-bcma.c
bgmac-platform.c
bgmac.c net: phy: fixed_phy: remove irq argument from fixed_phy_register 2025-05-20 18:17:43 -07:00
bgmac.h
bnx2_fw.h
bnx2.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
bnx2.h
cnic_defs.h
cnic_if.h
cnic.c
cnic.h
Kconfig bng_en: Add devlink interface 2025-07-07 18:54:00 -07:00
Makefile bng_en: Add PCI interface 2025-07-07 18:54:00 -07:00
sb1250-mac.c
tg3.c net: Fix typos 2025-07-25 10:29:07 -07:00
tg3.h tg3: spelling corrections 2025-06-27 10:25:57 +01:00
unimac.h