diff options
| author | Roel Kluin <12o3l@tiscali.nl> | 2008-04-28 17:15:41 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-05-01 14:44:38 -0700 |
| commit | 35a398abdc1b5111b62bca9174bc5ccf973ab6dc (patch) | |
| tree | c7e5f27e52de3cbd034656e2e88a2fdc28f360fd /drivers | |
| parent | f2645293d3aa4ecde52a3f5e6982b43d60171f36 (diff) | |
dz: test after postfix decrement fails in dz_console_putchar()
commit 1ecf0d0cd28a4bfed3009f752061998e52d14db2 upstream
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/dz.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index 116211fcd36..0dddd68b20d 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); |