The ibmvscsi client driver is not unmapping the SCSI command after encountering a DMA mapping error while trying to map an indirect scattergather list for the event pool. This leads to a leak of DMA entitlement that could result in the device failing future DMA operations in a CMO environment. Signed-off-by: Robert Jennings <rcj@xxxxxxxxxxxxxxxxxx> --- drivers/scsi/ibmvscsi/ibmvscsi.c | 1 + 1 file changed, 1 insertion(+) Index: b/drivers/scsi/ibmvscsi/ibmvscsi.c =================================================================== --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -432,6 +432,7 @@ static int map_sg_data(struct scsi_cmnd sdev_printk(KERN_ERR, cmd->device, "Can't allocate memory " "for indirect table\n"); + scsi_dma_unmap(cmd); return 0; } } -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
