From: Andre Noll <maan@systemlinux.org>
Date: Sat, 7 Nov 2009 13:06:55 +0000 (+0100)
Subject: alsa: Avoid using 0 as a NULL pointer.
X-Git-Tag: v0.4.0~1^2^2
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=d7f96d2c7c718e3f7d4834fb25b6939a355a0e19

alsa: Avoid using 0 as a NULL pointer.

Found by sparse.
---

diff --git a/alsa_write.c b/alsa_write.c
index d7828945..53c97384 100644
--- a/alsa_write.c
+++ b/alsa_write.c
@@ -79,18 +79,19 @@ static int alsa_init(struct private_alsa_write_data *pad,
 			pad->channels) < 0)
 		return -E_CHANNEL_COUNT;
 	if (snd_pcm_hw_params_set_rate_near(pad->handle, hwparams,
-			&pad->samplerate, 0) < 0)
+			&pad->samplerate, NULL) < 0)
 		return -E_SET_RATE;
-	err = snd_pcm_hw_params_get_buffer_time_max(hwparams, &pad->buffer_time, 0);
+	err = snd_pcm_hw_params_get_buffer_time_max(hwparams,
+		&pad->buffer_time, NULL);
 	if (err < 0 || !pad->buffer_time)
 		return -E_GET_BUFFER_TIME;
 	PARA_INFO_LOG("buffer time: %d\n", pad->buffer_time);
 	if (snd_pcm_hw_params_set_buffer_time_near(pad->handle, hwparams,
-			&pad->buffer_time, 0) < 0)
+			&pad->buffer_time, NULL) < 0)
 		return -E_SET_BUFFER_TIME;
 	if (snd_pcm_hw_params(pad->handle, hwparams) < 0)
 		return -E_HW_PARAMS;
-	snd_pcm_hw_params_get_period_size(hwparams, &period_size, 0);
+	snd_pcm_hw_params_get_period_size(hwparams, &period_size, NULL);
 	snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
 	PARA_INFO_LOG("buffer size: %lu, period_size: %lu\n", buffer_size,
 		period_size);