| Message ID | 1427820358-15087-4-git-send-email-sagig@mellanox.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 20e859a..76eb57b 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -409,8 +409,8 @@ int iser_send_command(struct iscsi_conn *conn, if (scsi_prot_sg_count(sc)) { prot_buf->buf = scsi_prot_sglist(sc); prot_buf->size = scsi_prot_sg_count(sc); - prot_buf->data_len = data_buf->data_len >> - ilog2(sc->device->sector_size) * 8; + prot_buf->data_len = (data_buf->data_len >> + ilog2(sc->device->sector_size)) * 8; } if (hdr->flags & ISCSI_FLAG_CMD_READ) {
This length miss-calculation may cause a silent data corruption in the DIX case and cause the device to reference unmapped area. Fixes: d77e65350f2d ('libiscsi, iser: Adjust data_length to include protection information') Signed-off-by: Sagi Grimberg <sagig@mellanox.com> --- drivers/infiniband/ulp/iser/iser_initiator.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)