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IB/ipath: Fix count of packets received by kernel

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The loop in ipath_kreceive() that processes packets increments the
loop-index 'i' once too often, because the exit condition does not
depend on it, and is checked after the increment. By adding a check for
!last to the iterator in the for loop, we correct that in a way that is
not so likely to be re-broken by changes in the loop body.

Signed-off-by: Michael Albaugh <micheal.albaugh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael Albaugh 2008-05-07 10:59:23 -07:00 committed by Roland Dreier
parent 2bfc8e9edf
commit 2889d1ef12
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/ipath/ipath_driver.c
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@ -1197,7 +1197,7 @@ void ipath_kreceive(struct ipath_portdata *pd)
}
reloop:
for (last = 0, i = 1; !last; i++) {
for (last = 0, i = 1; !last; i += !last) {
hdr = dd->ipath_f_get_msgheader(dd, rhf_addr);
eflags = ipath_hdrget_err_flags(rhf_addr);
etype = ipath_hdrget_rcv_type(rhf_addr);