[IB] mthca: fix wraparound handling in mthca_cq_clean()

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Handle case where prod_index has wrapped around and become less than
cq->cons_index by checking that their difference as a signed int is
positive rather than comparing directly.

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

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Roland Dreier 2005-11-09 12:23:17 -08:00

parent 62abb8416f

commit 64044bcf75

1 changed files with 6 additions and 10 deletions

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drivers/infiniband/hw/mthca/mthca_cq.c

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