[IB/ipoib]: Fix unsigned comparisons to handle wraparound
authorRoland Dreier <roland@eddore.topspincom.com>
Wed, 27 Jul 2005 21:41:32 +0000 (14:41 -0700)
committerRoland Dreier <roland@eddore.topspincom.com>
Wed, 27 Jul 2005 21:41:32 +0000 (14:41 -0700)
Fix handling of tx_head/tx_tail comparisons to handle wraparound.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

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