| User: | Jiri Slaby |
| Error type: | Invalid Pointer Dereference |
| Error type description: | A pointer which is invalid is being dereferenced |
| File location: | sound/pci/riptide/riptide.c |
| Line in file: | 1661 |
| Project: | Linux Kernel |
| Project version: | 2.6.28 |
| Tools: |
Stanse
(1.2)
Smatch (1.59) |
| Entered: | 2011-11-07 22:22:22 UTC |
1631static int snd_riptide_playback_open(struct snd_pcm_substream *substream) 1632{ 1633 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1634 struct snd_pcm_runtime *runtime = substream->runtime; 1635 struct pcmhw *data; 1636 int sub_num = substream->number; 1637 1638 chip->playback_substream[sub_num] = substream; 1639 runtime->hw = snd_riptide_playback; 1640 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL); 1641 data->paths = lbus_play_paths[sub_num]; 1642 data->id = play_ids[sub_num]; 1643 data->source = play_sources[sub_num]; 1644 data->intdec[0] = 0xff; 1645 data->intdec[1] = 0xff; 1646 data->state = ST_STOP; 1647 runtime->private_data = data; 1648 return snd_pcm_hw_constraint_integer(runtime, 1649 SNDRV_PCM_HW_PARAM_PERIODS); 1650} 1651 1652static int snd_riptide_capture_open(struct snd_pcm_substream *substream) 1653{ 1654 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1655 struct snd_pcm_runtime *runtime = substream->runtime; 1656 struct pcmhw *data; 1657 1658 chip->capture_substream = substream; 1659 runtime->hw = snd_riptide_capture; 1660 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL); 1661 data->paths = lbus_rec_path; 1662 data->id = PADC; 1663 data->source = ACLNK2PADC; 1664 data->intdec[0] = 0xff; 1665 data->intdec[1] = 0xff; 1666 data->state = ST_STOP; 1667 runtime->private_data = data; 1668 return snd_pcm_hw_constraint_integer(runtime, 1669 SNDRV_PCM_HW_PARAM_PERIODS); 1670} 1671