linux-kernel - [PATCH 5.17 058/219] drm/msm: Add missing put_task

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Message-Id: <20220418121206.991520017@linuxfoundation.org>
Date:   Mon, 18 Apr 2022 14:10:27 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 058/219] drm/msm: Add missing put_task_struct() in debugfs path

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

[ Upstream commit ac3e4f42d5ec459f701743debd9c1ad2f2247402 ]

Fixes: 25faf2f2e065 ("drm/msm: Show process names in gem_describe")
Signed-off-by: Rob Clark <robdclark@...omium.org>
Link: https://lore.kernel.org/r/20220317184550.227991-1-robdclark@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.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