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-rw-r--r--kernel/trace/trace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e5125677efa0..1bbfa0446507 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2899,6 +2899,8 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf,
if (copy_from_user(&buf, ubuf, cnt))
return -EFAULT;
+ buf[cnt] = 0;
+
trace_set_options(buf);
*ppos += cnt;