mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/usb/image/microtek.c
..
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@@ -389,7 +389,7 @@
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 	res = usb_submit_urb( transfer, GFP_ATOMIC );
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 	if ( unlikely(res) ) {
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 		MTS_INT_ERROR( "could not submit URB! Error was %d\n",(int)res );
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-		context->srb->result = DID_ERROR << 16;
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+		set_host_byte(context->srb, DID_ERROR);
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 		mts_transfer_cleanup(transfer);
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 	}
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 }
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@@ -438,7 +438,7 @@
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 		scsi_set_resid(context->srb, context->data_length -
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 			       transfer->actual_length);
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 	} else if ( unlikely(status) ) {
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-		context->srb->result = (status == -ENOENT ? DID_ABORT : DID_ERROR)<<16;
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+		set_host_byte(context->srb, (status == -ENOENT ? DID_ABORT : DID_ERROR));
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 	}
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 	mts_get_status(transfer);
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@@ -455,12 +455,12 @@
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 	        if (status == -ENOENT) {
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 		        /* We are being killed */
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 			MTS_DEBUG_GOT_HERE();
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-			context->srb->result = DID_ABORT<<16;
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+			set_host_byte(context->srb, DID_ABORT);
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                 } else {
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 		        /* A genuine error has occurred */
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 			MTS_DEBUG_GOT_HERE();
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-		        context->srb->result = DID_ERROR<<16;
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+		        set_host_byte(context->srb, DID_ERROR);
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                 }
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 		mts_transfer_cleanup(transfer);
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..
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@@ -488,7 +488,6 @@
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 static void mts_do_sg (struct urb* transfer)
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 {
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-	struct scatterlist * sg;
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 	int status = transfer->status;
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 	MTS_INT_INIT();
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..
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@@ -496,17 +495,16 @@
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 	                                          scsi_sg_count(context->srb));
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 	if (unlikely(status)) {
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-                context->srb->result = (status == -ENOENT ? DID_ABORT : DID_ERROR)<<16;
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+                set_host_byte(context->srb, (status == -ENOENT ? DID_ABORT : DID_ERROR));
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 		mts_transfer_cleanup(transfer);
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         }
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-	sg = scsi_sglist(context->srb);
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-	context->fragment++;
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+	context->curr_sg = sg_next(context->curr_sg);
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 	mts_int_submit_urb(transfer,
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 			   context->data_pipe,
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-			   sg_virt(&sg[context->fragment]),
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-			   sg[context->fragment].length,
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-			   context->fragment + 1 == scsi_sg_count(context->srb) ?
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+			   sg_virt(context->curr_sg),
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+			   context->curr_sg->length,
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+			   sg_is_last(context->curr_sg) ?
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 			   mts_data_done : mts_do_sg);
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 }
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..
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@@ -526,22 +524,20 @@
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 mts_build_transfer_context(struct scsi_cmnd *srb, struct mts_desc* desc)
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 {
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 	int pipe;
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-	struct scatterlist * sg;
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-	
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+
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 	MTS_DEBUG_GOT_HERE();
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 	desc->context.instance = desc;
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 	desc->context.srb = srb;
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-	desc->context.fragment = 0;
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532
 
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 	if (!scsi_bufflen(srb)) {
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 		desc->context.data = NULL;
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 		desc->context.data_length = 0;
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 		return;
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 	} else {
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-		sg = scsi_sglist(srb);
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-		desc->context.data = sg_virt(&sg[0]);
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-		desc->context.data_length = sg[0].length;
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+		desc->context.curr_sg = scsi_sglist(srb);
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+		desc->context.data = sg_virt(desc->context.curr_sg);
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+		desc->context.data_length = desc->context.curr_sg->length;
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 	}
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..
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@@ -570,7 +566,6 @@
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 mts_scsi_queuecommand_lck(struct scsi_cmnd *srb, mts_scsi_cmnd_callback callback)
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 {
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 	struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]);
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-	int err = 0;
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 	int res;
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 	MTS_DEBUG_GOT_HERE();
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@@ -583,7 +578,7 @@
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 		MTS_DEBUG("this device doesn't exist\n");
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-		srb->result = DID_BAD_TARGET << 16;
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+		set_host_byte(srb, DID_BAD_TARGET);
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582
 
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 		if(likely(callback != NULL))
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 			callback(srb);
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@@ -610,14 +605,14 @@
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 	if(unlikely(res)){
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 		MTS_ERROR("error %d submitting URB\n",(int)res);
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-		srb->result = DID_ERROR << 16;
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+		set_host_byte(srb, DID_ERROR);
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 		if(likely(callback != NULL))
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 			callback(srb);
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 	}
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 out:
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-	return err;
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+	return 0;
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 }
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 static DEF_SCSI_QCMD(mts_scsi_queuecommand)
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@@ -632,7 +627,6 @@
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 	.sg_tablesize =		SG_ALL,
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 	.can_queue =		1,
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 	.this_id =		-1,
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-	.use_clustering =	1,
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 	.emulated =		1,
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 	.slave_alloc =		mts_slave_alloc,
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 	.slave_configure =	mts_slave_configure,