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Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h2
-rw-r--r--drivers/net/ethernet/sfc/nic.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index dcb741d8bd11..062462a13847 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -846,6 +846,7 @@ struct efx_async_filter_insertion {
* @timer_quantum_ns: Interrupt timer quantum, in nanoseconds
* @timer_max_ns: Interrupt timer maximum value, in nanoseconds
* @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
+ * @irqs_hooked: Channel interrupts are hooked
* @irq_rx_mod_step_us: Step size for IRQ moderation for RX event queues
* @irq_rx_moderation_us: IRQ moderation time for RX event queues
* @msg_enable: Log message enable flags
@@ -1004,6 +1005,7 @@ struct efx_nic {
unsigned int timer_quantum_ns;
unsigned int timer_max_ns;
bool irq_rx_adaptive;
+ bool irqs_hooked;
unsigned int irq_mod_step_us;
unsigned int irq_rx_moderation_us;
u32 msg_enable;
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index d994d136bb03..d1e908846f5d 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -129,6 +129,7 @@ int efx_nic_init_interrupt(struct efx_nic *efx)
#endif
}
+ efx->irqs_hooked = true;
return 0;
fail2:
@@ -154,6 +155,8 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
efx->net_dev->rx_cpu_rmap = NULL;
#endif
+ if (!efx->irqs_hooked)
+ return;
if (EFX_INT_MODE_USE_MSI(efx)) {
/* Disable MSI/MSI-X interrupts */
efx_for_each_channel(channel, efx)
@@ -163,6 +166,7 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
/* Disable legacy interrupt */
free_irq(efx->legacy_irq, efx);
}
+ efx->irqs_hooked = false;
}
/* Register dump */