stream can't be NULL here as we have just taken the address of it, so no
need for the check.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 
        if (snd_BUG_ON(!data))
                return -EFAULT;
+
        stream = &data->stream;
-       if (snd_BUG_ON(!stream))
-               return -EFAULT;
 
        mutex_lock(&stream->device->lock);
        if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {
 
        if (snd_BUG_ON(!data))
                return -EFAULT;
+
        stream = &data->stream;
-       if (snd_BUG_ON(!stream))
-               return -EFAULT;
+
        mutex_lock(&stream->device->lock);
        switch (_IOC_NR(cmd)) {
        case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):