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netpoll: add RCU annotation to npinfo field

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dev->npinfo is protected by RCU.

This fixes the following sparse warnings:

net/core/netpoll.c:177:48: error: incompatible types in comparison expression (different address spaces)
net/core/netpoll.c:200:35: error: incompatible types in comparison expression (different address spaces)
net/core/netpoll.c:221:35: error: incompatible types in comparison expression (different address spaces)
net/core/netpoll.c:327:18: error: incompatible types in comparison expression (different address spaces)

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2013-01-22 21:29:39 +00:00 committed by David S. Miller
parent ce4a600e47
commit 5fbee843c3
1 changed files with 1 additions and 1 deletions
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2
include/linux/netdevice.h
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@ -1272,7 +1272,7 @@ struct net_device {
void (*destructor)(struct net_device *dev);
#ifdef CONFIG_NETPOLL
struct netpoll_info *npinfo;
struct netpoll_info __rcu *npinfo;
#endif
#ifdef CONFIG_NET_NS