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Diffstat (limited to 'sound/pci/echoaudio/echoaudio.c')
-rw-r--r--sound/pci/echoaudio/echoaudio.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index e16dc92e82f..8dbc5c4ba42 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -490,7 +490,6 @@ static int init_engine(struct snd_pcm_substream *substream,
{
struct echoaudio *chip;
int err, per, rest, page, edge, offs;
- struct snd_sg_buf *sgbuf;
struct audiopipe *pipe;
chip = snd_pcm_substream_chip(substream);
@@ -503,7 +502,7 @@ static int init_engine(struct snd_pcm_substream *substream,
if (pipe->index >= 0) {
DE_HWP(("hwp_ie free(%d)\n", pipe->index));
err = free_pipes(chip, pipe);
- snd_assert(!err);
+ snd_BUG_ON(err);
chip->substream[pipe->index] = NULL;
}
@@ -531,10 +530,6 @@ static int init_engine(struct snd_pcm_substream *substream,
return err;
}
- sgbuf = snd_pcm_substream_sgbuf(substream);
-
- DE_HWP(("pcm_hw_params table size=%d pages=%d\n",
- sgbuf->size, sgbuf->pages));
sglist_init(chip, pipe);
edge = PAGE_SIZE;
for (offs = page = per = 0; offs < params_buffer_bytes(hw_params);
@@ -543,16 +538,15 @@ static int init_engine(struct snd_pcm_substream *substream,
if (offs + rest > params_buffer_bytes(hw_params))
rest = params_buffer_bytes(hw_params) - offs;
while (rest) {
+ dma_addr_t addr;
+ addr = snd_pcm_sgbuf_get_addr(substream, offs);
if (rest <= edge - offs) {
- sglist_add_mapping(chip, pipe,
- snd_sgbuf_get_addr(sgbuf, offs),
- rest);
+ sglist_add_mapping(chip, pipe, addr, rest);
sglist_add_irq(chip, pipe);
offs += rest;
rest = 0;
} else {
- sglist_add_mapping(chip, pipe,
- snd_sgbuf_get_addr(sgbuf, offs),
+ sglist_add_mapping(chip, pipe, addr,
edge - offs);
rest -= edge - offs;
offs = edge;
@@ -690,8 +684,10 @@ static int pcm_prepare(struct snd_pcm_substream *substream)
return -EINVAL;
}
- snd_assert(pipe_index < px_num(chip), return -EINVAL);
- snd_assert(is_pipe_allocated(chip, pipe_index), return -EINVAL);
+ if (snd_BUG_ON(pipe_index >= px_num(chip)))
+ return -EINVAL;
+ if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index)))
+ return -EINVAL;
set_audio_format(chip, pipe_index, &format);
return 0;
}