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authorHerbert Xu <herbert@gondor.apana.org.au>2013-09-12 17:12:05 +1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-13 14:51:07 -0700
commit20218d3d355cb32bdf1d737438958aa75f6ab21a (patch)
tree1877629259f8f8adf67036b5ab57dfe827336b72 /CREDITS
parentae9f7cfdfc708c1c323e7e02e3ba067ddc96b671 (diff)
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bridge: Clamp forward_delay when enabling STP
[ Upstream commit be4f154d5ef0ca147ab6bcd38857a774133f5450 ] 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> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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