If a loop is intended to be executed at least once, it is better to use "do { ... } while (...)" instead of "while (...) { ... }". The former is easier to understand for the casual reviewer, and doesn't require preinitializing the canary variable.
Signed-off-by: Geert Uytterhoeven geert@linux-m68k.org --- Compile-tested only. --- sound/firewire/tascam/tascam-stream.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/firewire/tascam/tascam-stream.c b/sound/firewire/tascam/tascam-stream.c index e433b92ac6904db5..4ea6845aae87fdef 100644 --- a/sound/firewire/tascam/tascam-stream.c +++ b/sound/firewire/tascam/tascam-stream.c @@ -80,17 +80,17 @@ static int set_clock(struct snd_tscm *tscm, unsigned int rate,
int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate) { - u32 data = 0x0; unsigned int trials = 0; + u32 data; int err;
- while (data == 0x0 && trials++ < 5) { + do { err = get_clock(tscm, &data); if (err < 0) return err;
data = (data & 0xff000000) >> 24; - } + } while (data == 0x0 && ++trials < 5);
/* Check base rate. */ if ((data & 0x0f) == 0x01)