ibmvnic: Don't handle RX interrupts when not up.
[ Upstream commit
09fb35ead58cd557aa9b20576d15816bc91a4deb ]
Initiating a kdump via the command line can cause a pending interrupt
to be handled by the ibmvnic driver when initializing the sub-CRQ
irqs during driver initialization.
NIP [
d000000000ca34f0] ibmvnic_interrupt_rx+0x40/0xd0 [ibmvnic]
LR [
c000000008132ef0] __handle_irq_event_percpu+0xa0/0x2f0
Call Trace:
[
c000000047fcfde0] [
c000000008132ef0] __handle_irq_event_percpu+0xa0/0x2f0
[
c000000047fcfea0] [
c00000000813317c] handle_irq_event_percpu+0x3c/0x90
[
c000000047fcfee0] [
c00000000813323c] handle_irq_event+0x6c/0xd0
[
c000000047fcff10] [
c0000000081385e0] handle_fasteoi_irq+0xf0/0x250
[
c000000047fcff40] [
c0000000081320a0] generic_handle_irq+0x50/0x80
[
c000000047fcff60] [
c000000008014984] __do_irq+0x84/0x1d0
[
c000000047fcff90] [
c000000008027564] call_do_irq+0x14/0x24
[
c00000003c92af00] [
c000000008014b70] do_IRQ+0xa0/0x120
[
c00000003c92af50] [
c000000008002594] hardware_interrupt_common+0x114/0x180
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
projects / platform / kernel / linux-rpi.git / commit