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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-08-25 13:36:57 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-29 05:12:39 +0300 |
| commit | fa2d9d6e894e096678a50ef0f65f7a8c3d8a40b8 (patch) | |
| tree | 4a221ee623ee4de65d6ab07e7e0066270f7fe7d0 /drivers/scsi/qedi | |
| parent | 47c4ccd3086139d2085e0f1e59c0f26e8ce4ff46 (diff) | |
| download | linux-fa2d9d6e894e096678a50ef0f65f7a8c3d8a40b8.tar.xz | |
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: <stable@vger.kernel.org> # v4.10+
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qedi')
| -rw-r--r-- | drivers/scsi/qedi/qedi_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |