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authorLinus Torvalds <torvalds@linux-foundation.org>2010-09-19 14:05:50 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-19 14:05:50 -0400
commit7d7dee96e1a7369eae67e5fe5c987785a1c11e40 (patch)
tree7c87df02117c7c3ac2ab4b7bd594a2183ec22ff6 /include/linux
parentf1c9c9797a7c519a70b8e4607f41d97ec59fc8f0 (diff)
parent4e8cec269dd9e823804141f25ce37c23e72d3c12 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) dca: disable dca on IOAT ver.3.0 multiple-IOH platforms netpoll: Disable IRQ around RCU dereference in netpoll_rx sctp: Do not reset the packet during sctp_packet_config(). net/llc: storing negative error codes in unsigned short MAINTAINERS: move atlx discussions to netdev drivers/net/cxgb3/cxgb3_main.c: prevent reading uninitialized stack memory drivers/net/eql.c: prevent reading uninitialized stack memory drivers/net/usb/hso.c: prevent reading uninitialized memory xfrm: dont assume rcu_read_lock in xfrm_output_one() r8169: Handle rxfifo errors on 8168 chips 3c59x: Remove atomic context inside vortex_{set|get}_wol tcp: Prevent overzealous packetization by SWS logic. net: RPS needs to depend upon USE_GENERIC_SMP_HELPERS phylib: fix PAL state machine restart on resume net: use rcu_barrier() in rollback_registered_many bonding: correctly process non-linear skbs ipv4: enable getsockopt() for IP_NODEFRAG ipv4: force_igmp_version ignored when a IGMPv3 query received ppp: potential NULL dereference in ppp_mp_explode() net/llc: make opt unsigned in llc_ui_setsockopt() ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netpoll.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 791d5109f34c..50d8009be86c 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -63,20 +63,20 @@ static inline bool netpoll_rx(struct sk_buff *skb)
63 unsigned long flags; 63 unsigned long flags;
64 bool ret = false; 64 bool ret = false;
65 65
66 rcu_read_lock_bh(); 66 local_irq_save(flags);
67 npinfo = rcu_dereference_bh(skb->dev->npinfo); 67 npinfo = rcu_dereference_bh(skb->dev->npinfo);
68 68
69 if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags)) 69 if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
70 goto out; 70 goto out;
71 71
72 spin_lock_irqsave(&npinfo->rx_lock, flags); 72 spin_lock(&npinfo->rx_lock);
73 /* check rx_flags again with the lock held */ 73 /* check rx_flags again with the lock held */
74 if (npinfo->rx_flags && __netpoll_rx(skb)) 74 if (npinfo->rx_flags && __netpoll_rx(skb))
75 ret = true; 75 ret = true;
76 spin_unlock_irqrestore(&npinfo->rx_lock, flags); 76 spin_unlock(&npinfo->rx_lock);
77 77
78out: 78out:
79 rcu_read_unlock_bh(); 79 local_irq_restore(flags);
80 return ret; 80 return ret;
81} 81}
82 82