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Diffstat (limited to 'sound/core/oss/linear.c')
-rw-r--r--sound/core/oss/linear.c39
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,