linux-kernel - [PATCH] drm/msm: Add missing put_task

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Date:   Thu, 17 Mar 2022 11:45:49 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm/msm: Add missing put_task_struct() in debugfs path

From: Rob Clark <robdclark@...omium.org>

Fixes: 25faf2f2e065 ("drm/msm: Show process names in gem_describe")
Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/msm/msm_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 02b9ae65a96a..a4f61972667b 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -926,6 +926,7 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
 					get_pid_task(aspace->pid, PIDTYPE_PID);
 				if (task) {
 					comm = kstrdup(task->comm, GFP_KERNEL);
+					put_task_struct(task);
 				} else {
 					comm = NULL;
 				}
-- 
2.35.1