[SCSI] iscsi: return data transfer residual for data-out commands

Currently, the iSCSI driver returns the data transfer residual for
data-in commands (e.g. read) but not data-out commands (e.g. write).
This patch makes it return the data transfer residual for both types of
commands.

Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index efceed451b466245d847f59e4da02b7c141be70a..8b57af5baaec7d41c215c645b437af4a725b2acd 100644 (file)
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -291,9 +291,6 @@ invalid_datalen:
                           min_t(uint16_t, senselen, SCSI_SENSE_BUFFERSIZE));
        }
 
-       if (sc->sc_data_direction == DMA_TO_DEVICE)
-               goto out;
-
        if (rhdr->flags & ISCSI_FLAG_CMD_UNDERFLOW) {
                int res_count = be32_to_cpu(rhdr->residual_count);