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-rw-r--r--include/linux/delayacct.h4
-rw-r--r--kernel/taskstats.c8
2 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index 7e8b6011b8f3..8a284cc6fd5f 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -80,9 +80,7 @@ static inline void delayacct_blkio_end(void)
80static inline int delayacct_add_tsk(struct taskstats *d, 80static inline int delayacct_add_tsk(struct taskstats *d,
81 struct task_struct *tsk) 81 struct task_struct *tsk)
82{ 82{
83 if (likely(!delayacct_on)) 83 if (likely(!delayacct_on) || !tsk->delays)
84 return -EINVAL;
85 if (!tsk->delays)
86 return 0; 84 return 0;
87 return __delayacct_add_tsk(d, tsk); 85 return __delayacct_add_tsk(d, tsk);
88} 86}
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index f45179ce028e..b4c737a11408 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -177,7 +177,7 @@ static int send_cpu_listeners(struct sk_buff *skb, unsigned int cpu)
177static int fill_pid(pid_t pid, struct task_struct *pidtsk, 177static int fill_pid(pid_t pid, struct task_struct *pidtsk,
178 struct taskstats *stats) 178 struct taskstats *stats)
179{ 179{
180 int rc; 180 int rc = 0;
181 struct task_struct *tsk = pidtsk; 181 struct task_struct *tsk = pidtsk;
182 182
183 if (!pidtsk) { 183 if (!pidtsk) {
@@ -196,12 +196,10 @@ static int fill_pid(pid_t pid, struct task_struct *pidtsk,
196 * Each accounting subsystem adds calls to its functions to 196 * Each accounting subsystem adds calls to its functions to
197 * fill in relevant parts of struct taskstsats as follows 197 * fill in relevant parts of struct taskstsats as follows
198 * 198 *
199 * rc = per-task-foo(stats, tsk); 199 * per-task-foo(stats, tsk);
200 * if (rc)
201 * goto err;
202 */ 200 */
203 201
204 rc = delayacct_add_tsk(stats, tsk); 202 delayacct_add_tsk(stats, tsk);
205 stats->version = TASKSTATS_VERSION; 203 stats->version = TASKSTATS_VERSION;
206 204
207 /* Define err: label here if needed */ 205 /* Define err: label here if needed */