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netns xfrm: per-netns km_waitq

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Disallow spurious wakeups in __xfrm_lookup().

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
2008-11-25 17:21:01 -08:00
committed by David S. Miller
parent c78371441c
commit 50a30657fd
5 changed files with 13 additions and 13 deletions
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4
net/xfrm/xfrm_policy.c
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@@ -1691,11 +1691,11 @@ restart:
if (err == -EAGAIN && (flags & XFRM_LOOKUP_WAIT)) {
DECLARE_WAITQUEUE(wait, current);
add_wait_queue(&km_waitq, &wait);
add_wait_queue(&init_net.xfrm.km_waitq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_current_state(TASK_RUNNING);
remove_wait_queue(&km_waitq, &wait);
remove_wait_queue(&init_net.xfrm.km_waitq, &wait);
nx = xfrm_tmpl_resolve(pols, npols, fl, xfrm, family);