From 6690e0d4fc5cccf74534abe0c9f9a69032bc02f0 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@avagotech.com>
Date: Wed, 16 Dec 2015 18:11:56 -0500
Subject: [PATCH] lpfc: Fix driver crash when module parameter
lpfc_fcp_io_channel set to 16
Fix driver crash when module parameter lpfc_fcp_io_channel set to 16
Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_init.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index db9446c612dad..5915407d19aa9 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8833,9 +8833,12 @@ found:
* 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;
}
--
2.30.2