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rtc: t reaches -1, tested 0

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With a postfix decrement t will reach -1 rather than 0, so neither the
warning nor the `goto error_out' will occur.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2009-02-11 13:04:34 -08:00 committed by Linus Torvalds
parent b4870bc5ee
commit c318c7ac49
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-au1xxx.c
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@ -81,7 +81,7 @@ static int __devinit au1xtoy_rtc_probe(struct platform_device *pdev)
if (au_readl(SYS_TOYTRIM) != 32767) {
/* wait until hardware gives access to TRIM register */
t = 0x00100000;
while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S) && t--)
while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S) && --t)
msleep(1);
if (!t) {