Return value for mipi_dsi_shutdown_peripheral() is unchecked.
Check it and return any errors if they come up. Even if
mipi_dsi_shutdown_peripheral() fails, continue attempting to
disable.
Cc: Philippe Cornu <philippe.cornu@xxxxxx>
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
index 7f915f706fa6..91dc5a6b14f9 100644
--- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
+++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -72,11 +72,12 @@ static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
static int wuxga_nt_panel_disable(struct drm_panel *panel)
{
struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+ int ret;
if (!wuxga_nt->enabled)
return 0;
- mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
+ ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
if (wuxga_nt->backlight) {
wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN;
@@ -86,7 +87,7 @@ static int wuxga_nt_panel_disable(struct drm_panel *panel)
wuxga_nt->enabled = false;
- return 0;
+ return ret;
}
static int wuxga_nt_panel_unprepare(struct drm_panel *panel)
--
2.16.0.rc1.238.g530d649a79-goog
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