* [PATCH 2/2] net/ibm/emac: add mutex to 'set multicast list'
@ 2016-09-14 16:06 Ivan Mikhaylov
2016-09-16 8:22 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Ivan Mikhaylov @ 2016-09-14 16:06 UTC (permalink / raw)
To: linux-kernel; +Cc: netdev
for preventing race conditions within ioctl calls.
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
---
drivers/net/ethernet/ibm/emac/core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 2dfc603..7af09cb 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -977,7 +977,10 @@ static void emac_set_multicast_list(struct net_device *ndev)
dev->mcast_pending = 1;
return;
}
+
+ mutex_lock(&dev->link_lock);
__emac_set_multicast_list(dev);
+ mutex_unlock(&dev->link_lock);
}
static int emac_set_mac_address(struct net_device *ndev, void *sa)
--
2.7.4 (Apple Git-66)
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 2/2] net/ibm/emac: add mutex to 'set multicast list'
2016-09-14 16:06 [PATCH 2/2] net/ibm/emac: add mutex to 'set multicast list' Ivan Mikhaylov
@ 2016-09-16 8:22 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2016-09-16 8:22 UTC (permalink / raw)
To: ivan; +Cc: linux-kernel, netdev
From: Ivan Mikhaylov <ivan@de.ibm.com>
Date: Wed, 14 Sep 2016 19:06:45 +0300
> for preventing race conditions within ioctl calls.
>
> Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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