If `sglist->num_dma_sg' is zero we write ioadl[-1] Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx> --- Is it possible for sglist->num_dma_sg to be 0? diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 5f04550..736ad07 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3004,8 +3004,9 @@ static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, cpu_to_be32(sg_dma_address(&scatterlist[i])); } - ioadl[i-1].flags_and_data_len |= - cpu_to_be32(IPR_IOADL_FLAGS_LAST); + if (i != 0) + ioadl[i-1].flags_and_data_len |= + cpu_to_be32(IPR_IOADL_FLAGS_LAST); } /** -- 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
