On 21/04/2022 17:09, kernel test robot wrote:
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,
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>