From: kernel test robot <lkp@xxxxxxxxx> drivers/gpu/drm/bridge/synopsys/dw-hdmi-gp-audio.c:80:5-8: Unneeded variable: "ret". Return "0" on line 94 drivers/gpu/drm/bridge/synopsys/dw-hdmi-gp-audio.c:105:5-8: Unneeded variable: "ret". Return "0" on line 112 Remove unneeded variable used to store return value. Generated by: scripts/coccinelle/misc/returnvar.cocci CC: Sandor Yu <Sandor.yu@xxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 65eb92e4c9f0a962656f131521f4fbc0d24c9d4c commit: d970ce303ff80ae57bbd3e784f2772dbf3056e0c [4441/5346] drm: bridge: dw_hdmi: Audio: Add General Parallel Audio (GPA) driver :::::: branch date: 8 hours ago :::::: commit date: 2 days ago drivers/gpu/drm/bridge/synopsys/dw-hdmi-gp-audio.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-gp-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-gp-audio.c @@ -77,7 +77,6 @@ static int audio_hw_params(struct device struct hdmi_codec_params *params) { struct snd_dw_hdmi *dw = dev_get_drvdata(dev); - int ret = 0; u8 ca; dw_hdmi_set_sample_rate(dw->data.hdmi, params->sample_rate); @@ -91,7 +90,7 @@ static int audio_hw_params(struct device params->iec.status[0] & IEC958_AES0_NONAUDIO); dw_hdmi_set_sample_width(dw->data.hdmi, params->sample_width); - return ret; + return 0; } static void audio_shutdown(struct device *dev, void *data) @@ -102,14 +101,13 @@ static int audio_mute_stream(struct devi bool enable, int direction) { struct snd_dw_hdmi *dw = dev_get_drvdata(dev); - int ret = 0; if (!enable) dw_hdmi_audio_enable(dw->data.hdmi); else dw_hdmi_audio_disable(dw->data.hdmi); - return ret; + return 0; } static int audio_get_eld(struct device *dev, void *data,