From fa2d9d6e894e096678a50ef0f65f7a8c3d8a40b8 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 25 Aug 2017 13:36:57 +0300 Subject: scsi: qedi: off by one in qedi_get_cmd_from_tid() The > here should be >= or we end up reading one element beyond the end of the qedi->itt_map[] array. The qedi->itt_map[] array is allocated in qedi_alloc_itt(). Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Cc: # v4.10+ Signed-off-by: Dan Carpenter Acked-by: Manish Rangankar Signed-off-by: Martin K. Petersen --- drivers/scsi/qedi/qedi_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 2c3783684815..85e7bae4a7ef 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1575,7 +1575,7 @@ struct qedi_cmd *qedi_get_cmd_from_tid(struct qedi_ctx *qedi, u32 tid) { struct qedi_cmd *cmd = NULL; - if (tid > MAX_ISCSI_TASK_ENTRIES) + if (tid >= MAX_ISCSI_TASK_ENTRIES) return NULL; cmd = qedi->itt_map[tid].p_cmd; -- cgit v1.2.3