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authorJames Smart <james.smart@avagotech.com>2015-12-17 00:11:56 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-12-22 03:54:09 +0100
commit6690e0d4fc5cccf74534abe0c9f9a69032bc02f0 (patch)
treeab065d3de30d6ef549d874eea31506cdb296f752 /drivers
parentlpfc: Fix RegLogin failed error seen on Lancer FC during port bounce (diff)
downloadlinux-6690e0d4fc5cccf74534abe0c9f9a69032bc02f0.tar.xz
linux-6690e0d4fc5cccf74534abe0c9f9a69032bc02f0.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index db9446c612da..5915407d19aa 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;
}