Signed-off-by: Bart Van Assche <[email protected]>
Cc: Brian King <[email protected]>
Cc: Nathan Fontenot <[email protected]>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index acea5d6..cf26b33 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -765,16 +765,18 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
struct srp_event_struct *evt_struct,
struct srp_cmd *srp_cmd, struct device *dev)
{
+ if (scsi_bidi_cmnd(cmd)) {
+ sdev_printk(KERN_ERR, cmd->device,
+ "Bidirectional commands are not yet supported\n");
+ return 0;
+ }
+
switch (cmd->sc_data_direction) {
case DMA_FROM_DEVICE:
case DMA_TO_DEVICE:
break;
case DMA_NONE:
return 1;
- case DMA_BIDIRECTIONAL:
- sdev_printk(KERN_ERR, cmd->device,
- "Can't map DMA_BIDIRECTIONAL to read/write\n");
- return 0;
default:
sdev_printk(KERN_ERR, cmd->device,
"Unknown data direction 0x%02x; can't map!\n",
--
2.1.2
--
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