* [PATCH] drm/bridge: waveshare-dsi: Fix bailout for devm_drm_bridge_alloc()
@ 2025-08-06 8:41 Liu Ying
0 siblings, 0 replies; only message in thread
From: Liu Ying @ 2025-08-06 8:41 UTC (permalink / raw)
To: dri-devel, linux-kernel
Cc: andrzej.hajda, neil.armstrong, rfoss, Laurent.pinchart, jonas,
jernej.skrabec, maarten.lankhorst, mripard, tzimmermann, airlied,
simona, qijian.guo
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 <victor.liu@nxp.com>
---
drivers/gpu/drm/bridge/waveshare-dsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/waveshare-dsi.c b/drivers/gpu/drm/bridge/waveshare-dsi.c
index 01c70e7d3d3b..43f4e7412d72 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;
--
2.34.1
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