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dz: test after postfix decrement fails in dz_console_putchar()
When loops reaches 0 the postfix decrement still subtracts, so the subsequent test fails. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Acked-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Johannes Weiner <hannes@saeurebad.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -819,7 +819,7 @@ static void dz_console_putchar(struct uart_port *uport, int ch)
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dz_out(dport, DZ_TCR, mask);
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iob();
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udelay(2);
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} while (loops--);
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} while (--loops);
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if (loops) /* Cannot send otherwise. */
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dz_out(dport, DZ_TDR, ch);
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