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hal: NULL pointer check before using audio_usecase 

- Add check for NULL pointer before using audio_usecase

Change-Id: Iaedd7b1dfbcf727957f6b19a54199d29afa25703
This commit is contained in:
Mingming Yin 2014-08-14 00:00:51 -07:00
parent ba9527948a
commit 2d8aa2e3dc
2 changed files with 13 additions and 7 deletions
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10
hal/audio_hw.c
View File

@ -673,23 +673,23 @@ int select_devices(struct audio_device *adev, audio_usecase_t uc_id)
if (adev->voice.in_call && adev->mode == AUDIO_MODE_IN_CALL) {
vc_usecase = get_usecase_from_list(adev,
get_voice_usecase_id_from_list(adev));
if ((vc_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) ||
(usecase->devices == AUDIO_DEVICE_IN_VOICE_CALL)) {
if ((vc_usecase) && ((vc_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) ||
(usecase->devices == AUDIO_DEVICE_IN_VOICE_CALL))) {
in_snd_device = vc_usecase->in_snd_device;
out_snd_device = vc_usecase->out_snd_device;
}
} else if (voice_extn_compress_voip_is_active(adev)) {
voip_usecase = get_usecase_from_list(adev, USECASE_COMPRESS_VOIP_CALL);
if ((voip_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) &&
if ((voip_usecase) && ((voip_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) &&
(usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) &&
(voip_usecase->stream.out != adev->primary_output)) {
(voip_usecase->stream.out != adev->primary_output))) {
in_snd_device = voip_usecase->in_snd_device;
out_snd_device = voip_usecase->out_snd_device;
}
} else if (audio_extn_hfp_is_active(adev)) {
hfp_ucid = audio_extn_hfp_get_usecase();
hfp_usecase = get_usecase_from_list(adev, hfp_ucid);
if (hfp_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) {
if ((hfp_usecase) && (hfp_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND)) {
in_snd_device = hfp_usecase->in_snd_device;
out_snd_device = hfp_usecase->out_snd_device;
}

10
hal/voice_extn/compress_voip.c
View File

@ -580,8 +580,14 @@ int voice_extn_compress_voip_start_output_stream(struct stream_out *out)
ret = voip_start_call(adev, &out->config);
out->pcm = voip_data.pcm_rx;
uc_info = get_usecase_from_list(adev, USECASE_COMPRESS_VOIP_CALL);
uc_info->stream.out = out;
uc_info->devices = out->devices;
if (uc_info) {
uc_info->stream.out = out;
uc_info->devices = out->devices;
} else {
ret = -EINVAL;
ALOGE("%s: exit(%d): failed to get use case info", __func__, ret);
goto error;
}
error:
ALOGV("%s: exit: status(%d)", __func__, ret);