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RDMA/cxgb3: Timeout condition is never true

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This is a static checker fix.  "count" is unsigned so it's never -1.
Since "count" is 16 bits and the addition operation is implicitly
casted to int then there is no wrapping here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Dan Carpenter 2013-06-18 10:27:38 +03:00 committed by Roland Dreier
parent fedaf4ffc2
commit 21bfd47062
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/cxgb3/iwch_qp.c
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@ -883,7 +883,8 @@ u16 iwch_rqes_posted(struct iwch_qp *qhp)
{
union t3_wr *wqe = qhp->wq.queue;
u16 count = 0;
while ((count+1) != 0 && fw_riwrh_opcode((struct fw_riwrh *)wqe) == T3_WR_RCV) {
while (count < USHRT_MAX && fw_riwrh_opcode((struct fw_riwrh *)wqe) == T3_WR_RCV) {
count++;
wqe++;
}