diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index db9446c612dadf1ffebb3de4803eb4a59ec6442f..5915407d19aa9ef42dd8f06953779c2ade0a8701 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8833,9 +8833,12 @@ lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
 				 * already mapped to this phys_id.
 				 */
 				if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
-					chann[saved_chann] =
-						cpup->channel_id;
-					saved_chann++;
+					if (saved_chann <=
+					    LPFC_FCP_IO_CHAN_MAX) {
+						chann[saved_chann] =
+							cpup->channel_id;
+						saved_chann++;
+					}
 					goto out;
 				}