From 1ecf0d0cd28a4bfed3009f752061998e52d14db2 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Mon, 28 Apr 2008 02:11:50 -0700 Subject: [PATCH] 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 Cc: Johannes Weiner Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/dz.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index 116211fcd36f..0dddd68b20d2 100644 --- a/drivers/serial/dz.c +++ b/drivers/serial/dz.c @@ -819,7 +819,7 @@ static void dz_console_putchar(struct uart_port *uport, int ch) dz_out(dport, DZ_TCR, mask); iob(); udelay(2); - } while (loops--); + } while (--loops); if (loops) /* Cannot send otherwise. */ dz_out(dport, DZ_TDR, ch);