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lpfc: call lpfc_sli_validate_fcp_iocb() with the hbalock held 

Call lpfc_sli_validate_fcp_iocb() with the hbalock held, as the pointer
to iocbq is not guaranteed to still be valid after looking it up.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Johannes Thumshirn 2016-07-18 16:06:03 +02:00 committed by Martin K. Petersen
parent fcbefc3b2b
commit 31979008fd
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/lpfc/lpfc_sli.c
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@ -10203,6 +10203,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
struct lpfc_iocbq *iocbq;
int sum, i;
spin_lock_irq(&phba->hbalock);
for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) {
iocbq = phba->sli.iocbq_lookup[i];
@ -10210,6 +10211,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
ctx_cmd) == 0)
sum++;
}
spin_unlock_irq(&phba->hbalock);
return sum;
}