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-rw-r--r--kernel/taskstats.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index f5f92014ae98..d9d7c3576238 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -416,7 +416,6 @@ err:
416void taskstats_exit_alloc(struct taskstats **ptidstats, unsigned int *mycpu) 416void taskstats_exit_alloc(struct taskstats **ptidstats, unsigned int *mycpu)
417{ 417{
418 struct listener_list *listeners; 418 struct listener_list *listeners;
419 struct taskstats *tmp;
420 /* 419 /*
421 * This is the cpu on which the task is exiting currently and will 420 * This is the cpu on which the task is exiting currently and will
422 * be the one for which the exit event is sent, even if the cpu 421 * be the one for which the exit event is sent, even if the cpu
@@ -424,19 +423,11 @@ void taskstats_exit_alloc(struct taskstats **ptidstats, unsigned int *mycpu)
424 */ 423 */
425 *mycpu = raw_smp_processor_id(); 424 *mycpu = raw_smp_processor_id();
426 425
427 *ptidstats = NULL;
428 tmp = kmem_cache_zalloc(taskstats_cache, GFP_KERNEL);
429 if (!tmp)
430 return;
431
432 listeners = &per_cpu(listener_array, *mycpu); 426 listeners = &per_cpu(listener_array, *mycpu);
433 down_read(&listeners->sem); 427
434 if (!list_empty(&listeners->list)) { 428 *ptidstats = NULL;
435 *ptidstats = tmp; 429 if (!list_empty(&listeners->list))
436 tmp = NULL; 430 *ptidstats = kmem_cache_zalloc(taskstats_cache, GFP_KERNEL);
437 }
438 up_read(&listeners->sem);
439 kfree(tmp);
440} 431}
441 432
442/* Send pid data out on exit */ 433/* Send pid data out on exit */