Commit 1b00c6c0 authored Jun 03, 2016 by Jacob Keller Committed by Jeff Kirsher Jul 20, 2016

fm10k: no need to continue in fm10k_down if __FM10K_DOWN already set



Return early from fm10k_down() when we are already down, since that
means another thread is either already finished or has started going
down, so shouldn't conflict with them.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent c0d661ca

drivers/net/ethernet/intel/fm10k/fm10k_pci.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1601,7 +1601,8 @@ void fm10k_down(struct fm10k_intfc *interface)
		int err;

		/* signal that we are down to the interrupt handler and service task */
		set_bit(__FM10K_DOWN, &interface->state);
		if (test_and_set_bit(__FM10K_DOWN, &interface->state))
		return;

		/* call carrier off first to avoid false dev_watchdog timeouts */
		netif_carrier_off(netdev);