diff options
Diffstat (limited to 'sound/core/oss/linear.c')
| -rw-r--r-- | sound/core/oss/linear.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/sound/core/oss/linear.c b/sound/core/oss/linear.c index da3dbd41669..2045697f449 100644 --- a/sound/core/oss/linear.c +++ b/sound/core/oss/linear.c @@ -90,22 +90,20 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, struct snd_pcm_plugin_channel *dst_channels, snd_pcm_uframes_t frames) { - struct linear_priv *data; - - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); - data = (struct linear_priv *)plugin->extra_data; + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; if (frames == 0) return 0; #ifdef CONFIG_SND_DEBUG { unsigned int channel; for (channel = 0; channel < plugin->src_format.channels; channel++) { - snd_assert(src_channels[channel].area.first % 8 == 0 && - src_channels[channel].area.step % 8 == 0, - return -ENXIO); - snd_assert(dst_channels[channel].area.first % 8 == 0 && - dst_channels[channel].area.step % 8 == 0, - return -ENXIO); + if (snd_BUG_ON(src_channels[channel].area.first % 8 || + src_channels[channel].area.step % 8)) + return -ENXIO; + if (snd_BUG_ON(dst_channels[channel].area.first % 8 || + dst_channels[channel].area.step % 8)) + return -ENXIO; } } #endif @@ -113,7 +111,8 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, return frames; } -static void init_data(struct linear_priv *data, int src_format, int dst_format) +static void init_data(struct linear_priv *data, + snd_pcm_format_t src_format, snd_pcm_format_t dst_format) { int src_le, dst_le, src_bytes, dst_bytes; @@ -139,9 +138,9 @@ static void init_data(struct linear_priv *data, int src_format, int dst_format) if (snd_pcm_format_signed(src_format) != snd_pcm_format_signed(dst_format)) { if (dst_le) - data->flip = cpu_to_le32(0x80000000); + data->flip = (__force u32)cpu_to_le32(0x80000000); else - data->flip = cpu_to_be32(0x80000000); + data->flip = (__force u32)cpu_to_be32(0x80000000); } } @@ -154,13 +153,17 @@ int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug, struct linear_priv *data; struct snd_pcm_plugin *plugin; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->rate == dst_format->rate, return -ENXIO); - snd_assert(src_format->channels == dst_format->channels, return -ENXIO); - snd_assert(snd_pcm_format_linear(src_format->format) && - snd_pcm_format_linear(dst_format->format), return -ENXIO); + if (snd_BUG_ON(src_format->rate != dst_format->rate)) + return -ENXIO; + if (snd_BUG_ON(src_format->channels != dst_format->channels)) + return -ENXIO; + if (snd_BUG_ON(!snd_pcm_format_linear(src_format->format) || + !snd_pcm_format_linear(dst_format->format))) + return -ENXIO; err = snd_pcm_plugin_build(plug, "linear format conversion", src_format, dst_format, |
