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-rw-r--r--drivers/dma-buf/st-dma-fence.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma-buf/st-dma-fence.c b/drivers/dma-buf/st-dma-fence.c
index b7c6f7ea9e..6a1bfcd0cc 100644
--- a/drivers/dma-buf/st-dma-fence.c
+++ b/drivers/dma-buf/st-dma-fence.c
@@ -540,6 +540,12 @@ static int race_signal_callback(void *arg)
t[i].before = pass;
t[i].task = kthread_run(thread_signal_callback, &t[i],
"dma-fence:%d", i);
+ if (IS_ERR(t[i].task)) {
+ ret = PTR_ERR(t[i].task);
+ while (--i >= 0)
+ kthread_stop_put(t[i].task);
+ return ret;
+ }
get_task_struct(t[i].task);
}