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authorJames Smart <james.smart@avagotech.com>2015-12-16 18:11:56 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-15 08:27:42 +0200
commit7cf5c223ccf949e6d5ef6b87c33edcad67a8ebbe (patch)
tree5206d5bb48e04482d102a76ea4bf5427c35359e6 /drivers/scsi/lpfc
parent0217efc5b83a7443c2234e5426493b2d06b7067c (diff)
lpfc: Fix driver crash when module parameter lpfc_fcp_io_channel set to 16
[ Upstream commit 6690e0d4fc5cccf74534abe0c9f9a69032bc02f0 ] 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> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/lpfc')
-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 b0d92b84bcdc..c14ab6c3ae40 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8834,9 +8834,12 @@ 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;
}