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

robclark · robclark · commit ac3e4f42d5ec · 2022-03-24T08:34:35.000-07:00
Fixes: 25faf2f ("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
diff --git 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;
 				}

Original file line number	Diff line number	Diff line change
`@@ -926,6 +926,7 @@ void msm_gem_describe(struct drm_gem_object obj, struct seq_file m,`
`926`	`926`	`get_pid_task(aspace->pid, PIDTYPE_PID);`
`927`	`927`	`if (task) {`
`928`	`928`	`comm = kstrdup(task->comm, GFP_KERNEL);`
	`929`	`+ put_task_struct(task);`
`929`	`930`	`} else {`
`930`	`931`	`comm = NULL;`
`931`	`932`	`}`