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(parent: 959f585) | patch
IB/mlx4: Fix endless loop in resize CQ
authorEli Cohen <eli@dev.mellanox.co.il>
Thu, 31 Oct 2013 13:26:35 +0000 (15:26 +0200)
committerRoland Dreier <roland@purestorage.com>
Fri, 15 Nov 2013 18:24:17 +0000 (10:24 -0800)
commit93b80ac297b1cfdf3bea771a5ce6ea4ff5d25d1d
treec8cb81c349cb9740b358b9670ecbe5fb8904aa35tree | snapshot (tar.gz zip)
parent959f58544b7f20c92d5eb43d1232c96c15c01bfbcommit | diff
IB/mlx4: Fix endless loop in resize CQ

When calling get_sw_cqe() we need pass the consumer_index and not the
masked value. Failure to do so will cause incorrect result of
get_sw_cqe() possibly leading to endless loop.

This problem was reported and analyzed by Michael Rice from HP.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/infiniband/hw/mlx4/cq.c diff | blob | blame | history