[PATCH 4/5] scsi: lpfc: fix lpfc_nvmet_setup_io_context() if no further cpus set

From: Vernon Yang
Date: Mon Mar 06 2023 - 11:12:23 EST


After commit 596ff4a09b89 ("cpumask: re-introduce constant-sized cpumask
optimizations"), when NR_CPUS <= BITS_PER_LONG, small_cpumask_bits used
a macro instead of variable-sized for efficient.

If no further cpus set, the cpumask_next() returns small_cpumask_bits,
it must greater than or equal to nr_cpumask_bits, so fix it to correctly.

Signed-off-by: Vernon Yang <vernon2gm@xxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_nvmet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index 7517dd55fe91..3ae7f330f827 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1621,7 +1621,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
continue;
}
cpu = cpumask_next(cpu, cpu_present_mask);
- if (cpu == nr_cpu_ids)
+ if (cpu >= nr_cpu_ids)
cpu = cpumask_first(cpu_present_mask);

}
--
2.34.1