When CONFIG_SND_SOC_HDAC_HDMI is disabled, we can run into an uninitialized variable:
sound/soc/intel/skylake/skl.c: In function 'skl_resume': sound/soc/intel/skylake/skl.c:326:6: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
I have run into this on today's linux-next kernel, but it appears that this is an older problem that was just hard to trigger with randconfig builds as CONFIG_SND_SOC_HDAC_HDMI would in effect be impossible to disable when having SND_SOC_INTEL_SKYLAKE enabled.
Signed-off-by: Arnd Bergmann arnd@arndb.de --- sound/soc/intel/skylake/skl.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 31d8634e8aa1..acb0ab470ca6 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -355,6 +355,7 @@ static int skl_resume(struct device *dev)
if (ebus->cmd_dma_state) snd_hdac_bus_init_cmd_io(&ebus->bus); + ret = 0; } else { ret = _skl_resume(ebus);