github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 09:36:22 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/panel: focaltech-ota7290b: Fix error check for devm_drm_panel_alloc()

Browse Source 
The devm_drm_panel_alloc() function returns an error pointer on failure,
not NULL. Fix the check to use IS_ERR() and return PTR_ERR() to
correctly handle allocation failures.

Fixes: 07853e9542 ("drm/panel: add driver for Waveshare 8.8" DSI TOUCH-A panel")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260429080527.1456732-1-nichen@iscas.ac.cn
This commit is contained in:
Chen Ni 2026-04-29 16:05:27 +08:00 committed by Neil Armstrong
parent b7e9682152
commit 71fa1bccaa
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/panel/panel-focaltech-ota7290b.c
View File

@ -156,8 +156,8 @@ static int ota7290b_probe(struct mipi_dsi_device *dsi)
ctx = devm_drm_panel_alloc(&dsi->dev, struct ota7290b, panel,
&ota7290b_funcs,
DRM_MODE_CONNECTOR_DSI);
if (!ctx)
return -ENOMEM;
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dsi = dsi;