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IB/hfi1: Fix checks for Offline transient state 

In goto_offline() function pstate is masked by 0xff when compared
to PLS_OFFLINE state. Mask should be 0xf0, since upper 4 bits
specify the "major" state.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jakub Byczkowski 2017-05-04 05:13:58 -07:00 committed by Doug Ledford
parent 0d7e2d2166
commit 02d1008bcf
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hfi1/chip.c
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@ -10233,7 +10233,7 @@ static int goto_offline(struct hfi1_pportdata *ppd, u8 rem_reason)
if (pstate == PLS_OFFLINE) {
do_transition = 0; /* in right state */
do_wait = 0; /* ...no need to wait */
} else if ((pstate & 0xff) == PLS_OFFLINE) {
} else if ((pstate & 0xf0) == PLS_OFFLINE) {
do_transition = 0; /* in an offline transient state */
do_wait = 1; /* ...wait for it to settle */
} else {