From 31ce72a6b1c7635259cf522459539c0611f2c50c Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 20 Jul 2007 19:45:45 -0700 Subject: [PATCH] [NET]: Fix loopback crashes when multiqueue is enabled. From: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/netdevice.h | 2 +- net/core/dev.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9820ca1e45e2..4a616d73cc25 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -575,7 +575,7 @@ struct net_device /* The TX queue control structures */ unsigned int egress_subqueue_count; - struct net_device_subqueue egress_subqueue[0]; + struct net_device_subqueue egress_subqueue[1]; }; #define to_net_dev(d) container_of(d, struct net_device, dev) diff --git a/net/core/dev.c b/net/core/dev.c index 38212c3f9971..ee4035571c21 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3624,7 +3624,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, /* ensure 32-byte alignment of both the device and private area */ alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST + - (sizeof(struct net_device_subqueue) * queue_count)) & + (sizeof(struct net_device_subqueue) * (queue_count - 1))) & ~NETDEV_ALIGN_CONST; alloc_size += sizeof_priv + NETDEV_ALIGN_CONST; @@ -3642,7 +3642,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, dev->priv = ((char *)dev + ((sizeof(struct net_device) + (sizeof(struct net_device_subqueue) * - queue_count) + NETDEV_ALIGN_CONST) + (queue_count - 1)) + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST)); } -- 2.39.2