ASoC: Intel: Skylake: Fix substream dereference before check
Smatch warns that we dereferenced substream before check, so fix
this by initializing ebus after the check
sound/soc/intel/skylake/skl-pcm.c:802 skl_get_position()
warn: variable dereferenced before check 'substream->runtime'
Reported by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 2517ec5..e652d58 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -807,7 +807,7 @@
{
struct hdac_stream *hstr = hdac_stream(hstream);
struct snd_pcm_substream *substream = hstr->substream;
- struct hdac_ext_bus *ebus = get_bus_ctx(substream);
+ struct hdac_ext_bus *ebus;
unsigned int pos;
int delay;
@@ -818,6 +818,7 @@
pos = 0;
if (substream->runtime) {
+ ebus = get_bus_ctx(substream);
delay = skl_get_delay_from_lpib(ebus, hstream, pos)
+ codec_delay;
substream->runtime->delay += delay;