drm/omap: fix uninitialized ret variable

[ Upstream commit 77eeac24b10fc84d3ffd5b11a897dff88dde244d ]

audio_config function for both HDMI4 and HDMI5 return uninitialized
value as the error code if the display is not currently enabled. For
some reason this has not caused any issues.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180329104038.29154-1-tomi.valkeinen@ti.com
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index bf914f2ac99e7ee8be454e40a95c7316963bd67e..f3d7decbbe2400dbe3553a09864e5d41505aa6d7 100644 (file)
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -665,7 +665,7 @@ static int hdmi_audio_config(struct device *dev,
                             struct omap_dss_audio *dss_audio)
 {
        struct omap_hdmi *hd = dev_get_drvdata(dev);
-       int ret;
+       int ret = 0;
 
        mutex_lock(&hd->lock);
 

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index 689cda41858b61a6a663cde779452d1cbcd7980f..dc36274bdc15b8fef91d3c70d13956643dc909f3 100644 (file)
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -660,7 +660,7 @@ static int hdmi_audio_config(struct device *dev,
                             struct omap_dss_audio *dss_audio)
 {
        struct omap_hdmi *hd = dev_get_drvdata(dev);
-       int ret;
+       int ret = 0;
 
        mutex_lock(&hd->lock);