[PATCH] drm/bridge: analogix_dp: Fix bailout for devm_drm_bridge_alloc()

[Liu Ying]

devm_drm_bridge_alloc() returns ERR_PTR on failure instead of a
NULL pointer, so use IS_ERR() to check the returned pointer.

Fixes: 48f05c3b4b70 ("drm/bridge: analogix_dp: Use devm_drm_bridge_alloc() API")
Signed-off-by: Liu Ying <victor....@nxp.com>
---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c 
b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index ed35e567d117..86cf898a09bb 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1474,7 +1474,7 @@ analogix_dp_probe(struct device *dev, struct 
analogix_dp_plat_data *plat_data)
 
        dp = devm_drm_bridge_alloc(dev, struct analogix_dp_device, bridge,
                                   &analogix_dp_bridge_funcs);
-       if (!dp)
+       if (IS_ERR(dp))
                return ERR_PTR(-ENOMEM);
 
        dp->dev = &pdev->dev;
-- 
2.34.1