From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Tue, 10 May 2016 01:28:49 +0000 (+0900)
Subject: fjes: Fix unnecessary spinlock_irqsave
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=27c0f739a009971aaf43ee71d9b150a56ee57012;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

fjes: Fix unnecessary spinlock_irqsave

commit-bd5a256 introduces a deadlock bug in fjes_change_mtu().
This spin_lock_irqsave() is obviously unnecessary.

This patch eliminates unnecessary spin_lock_irqsave() in
fjes_change_mtu()

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index f4e69261a3ce..86c331bb5eb3 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -819,7 +819,6 @@ static int fjes_change_mtu(struct net_device *netdev, int new_mtu)
 	netdev->mtu = new_mtu;
 
 	if (running) {
-		spin_lock_irqsave(&hw->rx_status_lock, flags);
 		for (epidx = 0; epidx < hw->max_epid; epidx++) {
 			if (epidx == hw->my_epid)
 				continue;