My static checker complains about these because it looks like the multiply can overflow and then we cast to a larger data type. I don't think this is a problem, but it's also harmless to do the cast earlier so let's silence the static checker warning.
Signed-off-by: Dan Carpenter dan.carpenter@oracle.com
diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c index 718838b..7b50a9d 100644 --- a/sound/soc/intel/atom/sst/sst_drv_interface.c +++ b/sound/soc/intel/atom/sst/sst_drv_interface.c @@ -381,7 +381,7 @@ static int sst_cdev_tstamp(struct device *dev, unsigned int str_id, tstamp->copied_total = fw_tstamp.ring_buffer_counter; tstamp->pcm_frames = fw_tstamp.frames_decoded; tstamp->pcm_io_frames = div_u64(fw_tstamp.hardware_counter, - (u64)((stream->num_ch) * SST_GET_BYTES_PER_SAMPLE(24))); + (u64)stream->num_ch * SST_GET_BYTES_PER_SAMPLE(24)); tstamp->sampling_rate = fw_tstamp.sampling_frequency;
dev_dbg(dev, "PCM = %u\n", tstamp->pcm_io_frames);