From: Liu Ying Date: Wed, 6 Aug 2025 08:41:21 +0000 (+0800) Subject: drm/bridge: waveshare-dsi: Fix bailout for devm_drm_bridge_alloc() X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3e6339a19cfc93bd3fec2179a2e766ab1cf39e16;p=thirdparty%2Fkernel%2Fstable.git drm/bridge: waveshare-dsi: 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 and turn proper error code on failure by using PTR_ERR(). Fixes: dbdea37add13 ("drm: bridge: Add waveshare DSI2DPI unit driver") Signed-off-by: Liu Ying Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20250806084121.510207-1-victor.liu@nxp.com --- diff --git a/drivers/gpu/drm/bridge/waveshare-dsi.c b/drivers/gpu/drm/bridge/waveshare-dsi.c index 01c70e7d3d3bd..43f4e7412d722 100644 --- a/drivers/gpu/drm/bridge/waveshare-dsi.c +++ b/drivers/gpu/drm/bridge/waveshare-dsi.c @@ -147,8 +147,8 @@ static int ws_bridge_probe(struct i2c_client *i2c) int ret; ws = devm_drm_bridge_alloc(dev, struct ws_bridge, bridge, &ws_bridge_bridge_funcs); - if (!ws) - return -ENOMEM; + if (IS_ERR(ws)) + return PTR_ERR(ws); ws->dev = dev;