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bridge: Correctly clamp MAX forward_delay when enabling STP 

[ Upstream commit 4b6c7879d84ad06a2ac5b964808ed599187a188d ]

Commit be4f154d5ef0ca147ab6bcd38857a774133f5450
	bridge: Clamp forward_delay when enabling STP
had a typo when attempting to clamp maximum forward delay.

It is possible to set bridge_forward_delay to be higher then
permitted maximum when STP is off.  When turning STP on, the
higher then allowed delay has to be clamed down to max value.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Veaceslav Falico <vfalico@redhat.com>
Acked-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>
This commit is contained in:
Vlad Yasevich 2013-10-15 14:57:45 -04:00 committed by Greg Kroah-Hartman
parent 30983d3c66
commit d14db23276
1 changed files with 1 additions and 1 deletions
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2
net/bridge/br_stp_if.c
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@ -134,7 +134,7 @@ static void br_stp_start(struct net_bridge *br)
if (br->bridge_forward_delay < BR_MIN_FORWARD_DELAY)
__br_set_forward_delay(br, BR_MIN_FORWARD_DELAY);
else if (br->bridge_forward_delay < BR_MAX_FORWARD_DELAY)
else if (br->bridge_forward_delay > BR_MAX_FORWARD_DELAY)
__br_set_forward_delay(br, BR_MAX_FORWARD_DELAY);
if (r == 0) {