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authorHerbert Xu <herbert@gondor.apana.org.au>2013-09-12 17:12:05 +1000
committerDavid S. Miller <davem@davemloft.net>2013-09-12 23:32:14 -0400
commitbe4f154d5ef0ca147ab6bcd38857a774133f5450 (patch)
treea0d1f8c90c823bbecebaf30a02e2b5ad79c97944 /arch
parent9a0620133ccce9dd35c00a96405c8d80938c2cc0 (diff)
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bridge: Clamp forward_delay when enabling STP
At some point limits were added to forward_delay. However, the limits are only enforced when STP is enabled. This created a scenario where you could have a value outside the allowed range while STP is disabled, which then stuck around even after STP is enabled. This patch fixes this by clamping the value when we enable STP. I had to move the locking around a bit to ensure that there is no window where someone could insert a value outside the range while we're in the middle of enabling STP. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cheers, Signed-off-by: David S. Miller <davem@davemloft.net>
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