Commit 91ad1203 authored Mar 31, 2009 by Roel Kluin Committed by Linus Torvalds Apr 01, 2009

fbdev: newport: newport_*wait() return 0 on timeout



With a postfix decrement t reaches -1 on timeout which results in a
return of 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent eb8972b4

include/video/newport.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -453,7 +453,7 @@ static __inline__ int newport_wait(struct newport_regs *regs)
		{
		int t = BUSY_TIMEOUT;

		while (t--)
		while (--t)
		if (!(regs->cset.status & NPORT_STAT_GBUSY))
		break;
		return !t;
		@@ -463,7 +463,7 @@ static __inline__ int newport_bfwait(struct newport_regs *regs)
		{
		int t = BUSY_TIMEOUT;

		while (t--)
		while (--t)
		if(!(regs->cset.status & NPORT_STAT_BBUSY))
		break;
		return !t;