[PATCH v1] drm: bridge: it66121: Check drm_bridge_attach retval

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The return value of drm_bridge_attach() is ignored during
the it66121_bridge_attach() call, which is incorrect.

Fixes: 988156dc2fc9 ("drm: bridge: add it66121 driver")
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
---
 drivers/gpu/drm/bridge/ite-it66121.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 7149ed40af83..2f2a09adb4bc 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -536,6 +536,8 @@ static int it66121_bridge_attach(struct drm_bridge *bridge,
 		return -EINVAL;
 
 	ret = drm_bridge_attach(bridge->encoder, ctx->next_bridge, bridge, flags);
+	if (ret)
+		return ret;
 
 	ret = regmap_write_bits(ctx->regmap, IT66121_CLK_BANK_REG,
 				IT66121_CLK_BANK_PWROFF_RCLK, 0);
-- 
2.30.2




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