int retval, i;
struct stream_info *stream;
struct snd_sst_mmap_buff_entry *buf_entry;
+ struct snd_sst_mmap_buff_entry *tmp_buf;
- pr_debug("sst:called for str_id %d\n", str_id);
+ pr_debug("called for str_id %d\n", str_id);
retval = sst_validate_strid(str_id);
if (retval)
return -EINVAL;
stream->curr_bytes = 0;
stream->cumm_bytes = 0;
- pr_debug("sst:new buffers count %d status %d\n",
+ tmp_buf = kcalloc(mmap_buf->entries, sizeof(*tmp_buf), GFP_KERNEL);
+ if (!tmp_buf)
+ return -ENOMEM;
+ if (copy_from_user(tmp_buf, (void __user *)mmap_buf->buff,
+ mmap_buf->entries * sizeof(*tmp_buf))) {
+ retval = -EFAULT;
+ goto out_free;
+ }
+
+ pr_debug("new buffers count %d status %d\n",
mmap_buf->entries, stream->status);
- buf_entry = mmap_buf->buff;
+ buf_entry = tmp_buf;
for (i = 0; i < mmap_buf->entries; i++) {
- BUG_ON(!buf_entry);
bufs = kzalloc(sizeof(*bufs), GFP_KERNEL);
- if (!bufs)
- return -ENOMEM;
+ if (!bufs) {
+ retval = -ENOMEM;
+ goto out_free;
+ }
bufs->size = buf_entry->size;
bufs->offset = buf_entry->offset;
bufs->addr = sst_drv_ctx->mmap_mem;
stream->status = STREAM_RUNNING;
if (stream->ops == STREAM_OPS_PLAYBACK) {
if (sst_play_frame(str_id) < 0) {
- pr_warn("sst: play frames fail\n");
+ pr_warn("play frames fail\n");
mutex_unlock(&stream->lock);
- return -EIO;
+ retval = -EIO;
+ goto out_free;
}
} else if (stream->ops == STREAM_OPS_CAPTURE) {
if (sst_capture_frame(str_id) < 0) {
- pr_warn("sst: capture frame fail\n");
+ pr_warn("capture frame fail\n");
mutex_unlock(&stream->lock);
- return -EIO;
+ retval = -EIO;
+ goto out_free;
}
}
}
if (retval >= 0)
retval = stream->cumm_bytes;
- pr_debug("sst:end of play/rec ioctl bytes = %d!!\n", retval);
+ pr_debug("end of play/rec ioctl bytes = %d!!\n", retval);
+
+ out_free:
+ kfree(tmp_buf);
return retval;
}
break;
case _IOC_NR(SNDRV_SST_STREAM_SET_PARAMS): {
- struct snd_sst_params *str_param = (struct snd_sst_params *)arg;
+ struct snd_sst_params str_param;
- pr_debug("sst: IOCTL_SET_PARAMS recieved!\n");
+ pr_debug("IOCTL_SET_PARAMS received!\n");
if (minor != STREAM_MODULE) {
retval = -EBADRQC;
break;
retval = -EINVAL;
}
} else {
- pr_debug("sst: SET_STREAM_PARAMS recieved!\n");
+ pr_debug("SET_STREAM_PARAMS received!\n");
/* allocated set params only */
- retval = sst_set_stream_param(str_id, str_param);
+ retval = sst_set_stream_param(str_id, &str_param);
/* Block the call for reply */
if (!retval) {
int sfreq = 0, word_size = 0, num_channel = 0;
break;
}
case _IOC_NR(SNDRV_SST_SET_VOL): {
- struct snd_sst_vol *set_vol;
- struct snd_sst_vol *rec_vol = (struct snd_sst_vol *)arg;
- pr_debug("SET_VOLUME received for %d!\n",
- rec_vol->stream_id);
- if (minor == STREAM_MODULE && rec_vol->stream_id == 0) {
- pr_debug("invalid operation!\n");
- retval = -EPERM;
- break;
- }
- set_vol = kzalloc(sizeof(*set_vol), GFP_ATOMIC);
- if (!set_vol) {
- pr_debug("mem allocation failed\n");
- retval = -ENOMEM;
- break;
- }
- if (copy_from_user(set_vol, rec_vol, sizeof(*set_vol))) {
+ struct snd_sst_vol set_vol;
+
+ if (copy_from_user(&set_vol, (void __user *)arg,
+ sizeof(set_vol))) {
- pr_debug("sst: copy failed\n");
+ pr_debug("copy failed\n");
retval = -EFAULT;
break;
}
- retval = sst_set_vol(set_vol);
- kfree(set_vol);
- pr_debug("sst: SET_VOLUME recieved for %d!\n",
++ pr_debug("SET_VOLUME recieved for %d!\n",
+ set_vol.stream_id);
+ if (minor == STREAM_MODULE && set_vol.stream_id == 0) {
- pr_debug("sst: invalid operation!\n");
++ pr_debug("invalid operation!\n");
+ retval = -EPERM;
+ break;
+ }
+ retval = sst_set_vol(&set_vol);
break;
}
case _IOC_NR(SNDRV_SST_GET_VOL): {
- struct snd_sst_vol *rec_vol = (struct snd_sst_vol *)arg;
struct snd_sst_vol get_vol;
- pr_debug("IOCTL_GET_VOLUME received for stream = %d!\n",
- rec_vol->stream_id);
- if (minor == STREAM_MODULE && rec_vol->stream_id == 0) {
+
+ if (copy_from_user(&get_vol, (void __user *)arg,
+ sizeof(get_vol))) {
+ retval = -EFAULT;
+ break;
+ }
- pr_debug("sst: IOCTL_GET_VOLUME recieved for stream = %d!\n",
++ pr_debug("IOCTL_GET_VOLUME recieved for stream = %d!\n",
+ get_vol.stream_id);
+ if (minor == STREAM_MODULE && get_vol.stream_id == 0) {
- pr_debug("sst: invalid operation!\n");
+ pr_debug("invalid operation!\n");
retval = -EPERM;
break;
}
retval = -EIO;
break;
}
- pr_debug("sst: id:%d\n, vol:%d, ramp_dur:%d, ramp_type:%d\n",
+ pr_debug("id:%d\n, vol:%d, ramp_dur:%d, ramp_type:%d\n",
get_vol.stream_id, get_vol.volume,
get_vol.ramp_duration, get_vol.ramp_type);
- if (copy_to_user((struct snd_sst_vol *)arg,
+ if (copy_to_user((struct snd_sst_vol __user *)arg,
&get_vol, sizeof(get_vol))) {
retval = -EFAULT;
break;
}
case _IOC_NR(SNDRV_SST_MUTE): {
- struct snd_sst_mute *set_mute;
- struct snd_sst_vol *rec_mute = (struct snd_sst_vol *)arg;
- pr_debug("SNDRV_SST_SET_VOLUME received for %d!\n",
- rec_mute->stream_id);
- if (minor == STREAM_MODULE && rec_mute->stream_id == 0) {
- retval = -EPERM;
- break;
- }
- set_mute = kzalloc(sizeof(*set_mute), GFP_ATOMIC);
- if (!set_mute) {
- retval = -ENOMEM;
+ struct snd_sst_mute set_mute;
+
+ if (copy_from_user(&set_mute, (void __user *)arg,
+ sizeof(set_mute))) {
+ retval = -EFAULT;
break;
}
- if (copy_from_user(set_mute, rec_mute, sizeof(*set_mute))) {
- retval = -EFAULT;
- pr_debug("sst: SNDRV_SST_SET_VOLUME recieved for %d!\n",
++ pr_debug("SNDRV_SST_SET_VOLUME recieved for %d!\n",
+ set_mute.stream_id);
+ if (minor == STREAM_MODULE && set_mute.stream_id == 0) {
+ retval = -EPERM;
break;
}
- retval = sst_set_mute(set_mute);
- kfree(set_mute);
+ retval = sst_set_mute(&set_mute);
break;
}
case _IOC_NR(SNDRV_SST_STREAM_GET_PARAMS): {
}
case _IOC_NR(SNDRV_SST_MMAP_PLAY):
- case _IOC_NR(SNDRV_SST_MMAP_CAPTURE):
- pr_debug("SNDRV_SST_MMAP_PLAY/CAPTURE received!\n");
+ case _IOC_NR(SNDRV_SST_MMAP_CAPTURE): {
+ struct snd_sst_mmap_buffs mmap_buf;
+
- pr_debug("sst: SNDRV_SST_MMAP_PLAY/CAPTURE recieved!\n");
++ pr_debug("SNDRV_SST_MMAP_PLAY/CAPTURE recieved!\n");
if (minor != STREAM_MODULE) {
retval = -EBADRQC;
break;
}
- retval = intel_sst_mmap_play_capture(str_id,
- (struct snd_sst_mmap_buffs *)arg);
+ if (copy_from_user(&mmap_buf, (void __user *)arg,
+ sizeof(mmap_buf))) {
+ retval = -EFAULT;
+ break;
+ }
+ retval = intel_sst_mmap_play_capture(str_id, &mmap_buf);
break;
-
+ }
case _IOC_NR(SNDRV_SST_STREAM_DROP):
- pr_debug("sst: SNDRV_SST_IOCTL_DROP recieved!\n");
+ pr_debug("SNDRV_SST_IOCTL_DROP received!\n");
if (minor != STREAM_MODULE) {
retval = -EINVAL;
break;
}
case _IOC_NR(SNDRV_SST_SET_TARGET_DEVICE): {
- struct snd_sst_target_device *target_device;
+ struct snd_sst_target_device target_device;
- pr_debug("SET_TARGET_DEVICE received!\n");
- target_device = (struct snd_sst_target_device *)arg;
- BUG_ON(!target_device);
- pr_debug("sst: SET_TARGET_DEVICE recieved!\n");
++ pr_debug("SET_TARGET_DEVICE recieved!\n");
+ if (copy_from_user(&target_device, (void __user *)arg,
+ sizeof(target_device))) {
+ retval = -EFAULT;
+ break;
+ }
if (minor != AM_MODULE) {
retval = -EBADRQC;
break;
}
case _IOC_NR(SNDRV_SST_DRIVER_INFO): {
- struct snd_sst_driver_info *info =
- (struct snd_sst_driver_info *)arg;
+ struct snd_sst_driver_info info;
- pr_debug("SNDRV_SST_DRIVER_INFO received\n");
- info->version = SST_VERSION_NUM;
- pr_debug("sst: SNDRV_SST_DRIVER_INFO recived\n");
++ pr_debug("SNDRV_SST_DRIVER_INFO recived\n");
+ info.version = SST_VERSION_NUM;
/* hard coding, shud get sumhow later */
- info->active_pcm_streams = sst_drv_ctx->stream_cnt -
+ info.active_pcm_streams = sst_drv_ctx->stream_cnt -
sst_drv_ctx->encoded_cnt;
- info->active_enc_streams = sst_drv_ctx->encoded_cnt;
- info->max_pcm_streams = MAX_ACTIVE_STREAM - MAX_ENC_STREAM;
- info->max_enc_streams = MAX_ENC_STREAM;
- info->buf_per_stream = sst_drv_ctx->mmap_len;
+ info.active_enc_streams = sst_drv_ctx->encoded_cnt;
+ info.max_pcm_streams = MAX_ACTIVE_STREAM - MAX_ENC_STREAM;
+ info.max_enc_streams = MAX_ENC_STREAM;
+ info.buf_per_stream = sst_drv_ctx->mmap_len;
+ if (copy_to_user((void __user *)arg, &info,
+ sizeof(info)))
+ retval = -EFAULT;
break;
}
case _IOC_NR(SNDRV_SST_STREAM_DECODE): {
- struct snd_sst_dbufs *param =
- (struct snd_sst_dbufs *)arg, dbufs_local;
- int i;
+ struct snd_sst_dbufs param;
+ struct snd_sst_dbufs dbufs_local;
struct snd_sst_buffs ibufs, obufs;
- struct snd_sst_buff_entry ibuf_temp[param->ibufs->entries],
- obuf_temp[param->obufs->entries];
+ struct snd_sst_buff_entry *ibuf_tmp, *obuf_tmp;
+ char __user *dest;
- pr_debug("sst: SNDRV_SST_STREAM_DECODE recived\n");
+ pr_debug("SNDRV_SST_STREAM_DECODE received\n");
if (minor != STREAM_MODULE) {
retval = -EBADRQC;
break;
break;
case _IOC_NR(SNDRV_SST_STREAM_BYTES_DECODED): {
- unsigned long long *bytes = (unsigned long long *)arg;
+ unsigned long long __user *bytes = (unsigned long long __user *)arg;
struct snd_sst_tstamp tstamp = {0};
- pr_debug("sst: STREAM_BYTES_DECODED recieved!\n");
+ pr_debug("STREAM_BYTES_DECODED received!\n");
if (minor != STREAM_MODULE) {
retval = -EINVAL;
break;