[PATCH] add_timer() of a pending timer is illegal
In the recent timer rework we lost the check for an add_timer() of an already-pending timer. That check was useful for networking, so put it back. Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by:Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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2ca7d93b
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