diff options
Diffstat (limited to 'sound/pci/echoaudio/echoaudio.c')
-rw-r--r-- | sound/pci/echoaudio/echoaudio.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index e16dc92e82fb..8dbc5c4ba421 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; } |