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Diffstat (limited to 'kernel/dma/map_benchmark.c')
-rw-r--r--kernel/dma/map_benchmark.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/dma/map_benchmark.c b/kernel/dma/map_benchmark.c
index b1496e744c68..1b1b8ff875cb 100644
--- a/kernel/dma/map_benchmark.c
+++ b/kernel/dma/map_benchmark.c
@@ -147,8 +147,10 @@ static int do_map_benchmark(struct map_benchmark_data *map)
atomic64_set(&map->sum_sq_unmap, 0);
atomic64_set(&map->loops, 0);
- for (i = 0; i < threads; i++)
+ for (i = 0; i < threads; i++) {
+ get_task_struct(tsk[i]);
wake_up_process(tsk[i]);
+ }
msleep_interruptible(map->bparam.seconds * 1000);
@@ -183,6 +185,8 @@ static int do_map_benchmark(struct map_benchmark_data *map)
}
out:
+ for (i = 0; i < threads; i++)
+ put_task_struct(tsk[i]);
put_device(map->dev);
kfree(tsk);
return ret;