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 <[email protected]>

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);
--
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