From 55db271db5a6600f921731e39eeeb8164b2ad557 Mon Sep 17 00:00:00 2001
From: mav <mav@FreeBSD.org>
Date: Tue, 21 Mar 2017 08:56:13 +0000
Subject: [PATCH] Addition to r315579: drop the lock while allocating IRQs.

MFC after:	12 days
---
 sys/dev/isp/isp_pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/dev/isp/isp_pci.c b/sys/dev/isp/isp_pci.c
index 9ca47866b86c..6210e6dd64a6 100644
--- a/sys/dev/isp/isp_pci.c
+++ b/sys/dev/isp/isp_pci.c
@@ -2054,6 +2054,7 @@ isp_pci_irqsetup(ispsoftc_t *isp)
 	if (isp->isp_nirq > 0)
 		return (0);
 
+	ISP_UNLOCK(isp);
 	if (ISP_CAP_MSIX(isp)) {
 		max_irq = min(ISP_MAX_IRQS, IS_26XX(isp) ? 3 : 2);
 		pcs->msicount = imin(pci_msix_count(dev), max_irq);
@@ -2094,6 +2095,7 @@ isp_pci_irqsetup(ispsoftc_t *isp)
 		}
 		isp->isp_nirq = i + 1;
 	}
+	ISP_LOCK(isp);
 
 	return (isp->isp_nirq == 0);
 }