From: Liu Ying Date: Wed, 6 Aug 2025 09:52:24 +0000 (+0800) Subject: drm/bridge: analogix_dp: Fix bailout for devm_drm_bridge_alloc() X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=50a8c08b8b69399a09c2dbcad8ef3fef9d9349d2;p=users%2Fjedix%2Flinux-maple.git drm/bridge: analogix_dp: Fix bailout for devm_drm_bridge_alloc() devm_drm_bridge_alloc() returns ERR_PTR on failure instead of a NULL pointer, so use IS_ERR() to check the returned pointer. While at it, on failure, return ERR_CAST(dp) instead of ERR_PTR(-ENOMEM) in order not to depend on devm_drm_bridge_alloc() error code implementation. Fixes: 48f05c3b4b70 ("drm/bridge: analogix_dp: Use devm_drm_bridge_alloc() API") Signed-off-by: Liu Ying Reviewed-by: Luca Ceresoli Link: https://lore.kernel.org/r/20250806095224.527938-1-victor.liu@nxp.com --- diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index ed35e567d117..efe534977d12 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1474,8 +1474,8 @@ 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) - return ERR_PTR(-ENOMEM); + if (IS_ERR(dp)) + return ERR_CAST(dp); dp->dev = &pdev->dev; dp->dpms_mode = DRM_MODE_DPMS_OFF;