From: Rob Clark <robdclark@chromium.org>
Date: Thu, 17 Mar 2022 18:45:49 +0000 (-0700)
Subject: drm/msm: Add missing put_task_struct() in debugfs path
X-Git-Tag: v5.10.112~98
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cb66641f81060a5a5d88f85d2aeb73860edc79df;p=users%2Fdwmw2%2Flinux.git

drm/msm: Add missing put_task_struct() in debugfs path

[ Upstream commit ac3e4f42d5ec459f701743debd9c1ad2f2247402 ]

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

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 819567e40565c..9c05bf6c45510 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -849,6 +849,7 @@ 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;
 				}