linux-kernel - [PATCH -next] drm: remove node from list before freeing the node

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Date:   Fri,  3 Dec 2021 11:36:52 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     robdclark@...il.com
Cc:     sean@...rly.run, quic_abhinavk@...cinc.com, airlied@...ux.ie,
        daniel@...ll.ch, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH -next] drm: remove node from list before freeing the node

fix the following smatch warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:1675 dpu_plane_init() warn:
'&pdpu->mplane_list' not removed from list

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index ca190d9..aad238b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1672,6 +1672,7 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
 	if (pdpu && pdpu->pipe_hw)
 		dpu_hw_sspp_destroy(pdpu->pipe_hw);
 clean_plane:
+	list_del(&pdpu->mplane_list);
 	kfree(pdpu);
 	return ERR_PTR(ret);
 }
-- 
1.8.3.1