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-rw-r--r--kernel/trace/trace.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c22b40f8f576..8c358395d338 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3896,17 +3896,9 @@ trace_options_core_write(struct file *filp, const char __user *ubuf, size_t cnt,
3896 if (ret < 0) 3896 if (ret < 0)
3897 return ret; 3897 return ret;
3898 3898
3899 switch (val) { 3899 if (val != 0 && val != 1)
3900 case 0:
3901 trace_flags &= ~(1 << index);
3902 break;
3903 case 1:
3904 trace_flags |= 1 << index;
3905 break;
3906
3907 default:
3908 return -EINVAL; 3900 return -EINVAL;
3909 } 3901 set_tracer_flags(1 << index, val);
3910 3902
3911 *ppos += cnt; 3903 *ppos += cnt;
3912 3904