6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chen Ni <nichen@xxxxxxxxxxx>
[ Upstream commit 629f2b4e05225e53125aaf7ff0b87d5d53897128 ]
Add check for the return value of of_drm_get_panel_orientation() and
return the error if it fails in order to catch the error.
Fixes: b27c0f6d208d ("drm/panel: sitronix-st7789v: add panel orientation support")
Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
Reviewed-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
Acked-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240528030832.2529471-1-nichen@xxxxxxxxxxx
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240528030832.2529471-1-nichen@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index e8f385b9c6182..28bfc48a91272 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -643,7 +643,9 @@ static int st7789v_probe(struct spi_device *spi)
if (ret)
return dev_err_probe(dev, ret, "Failed to get backlight\n");
- of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
+ ret = of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
+ if (ret)
+ return dev_err_probe(&spi->dev, ret, "Failed to get orientation\n");
drm_panel_add(&ctx->panel);
--
2.43.0
