>Number:         6783
>Category:       kern
>Synopsis:       wt driver needs pointer-arith fix
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people (Kernel Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 10 12:20:01 1999
>Last-Modified:
>Originator:     Brian Grayson
>Organization:
	Parallel and Distributed Systems
	Electrical and Computer Engineering
	The University of Texas at Austin
>Release:        Jan 9, 1999
>Environment:

>Description:
	wt.c, the Wangtek tape-drive driver, does not compile
	with -Wpointer-arith.
>How-To-Repeat:
>Fix:
	This patch allows compiles to complete.  I'm not sure if
	the code I wrote is the way things should be done, so
	feel free to modify it.
--- wt.c.dist	Sun Jan 10 13:58:10 1999
+++ wt.c	Sun Jan 10 14:00:23 1999
@@ -732,7 +732,7 @@
 
 	if (sc->dmacount < sc->dmatotal) {
 		/* Continue I/O. */
-		sc->dmavaddr += sc->bsize;
+		sc->dmavaddr = (void *)((char *)sc->dmavaddr + sc->bsize);
 		wtdma(sc);
 		WTDBPRINT(("continue i/o, %d\n", sc->dmacount));
 		return 1;
>Audit-Trail:
>Unformatted: