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Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_ksym.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_ksym.c b/kernel/trace/trace_ksym.c
index 340b6ff193e0..160a8d8b37a2 100644
--- a/kernel/trace/trace_ksym.c
+++ b/kernel/trace/trace_ksym.c
@@ -299,8 +299,8 @@ static ssize_t ksym_trace_filter_write(struct file *file,
* 2: echo 0 > ksym_trace_filter
* 3: echo "*:---" > ksym_trace_filter
*/
- if (!buf[0] || !strcmp(buf, "0") ||
- !strcmp(buf, "*:---")) {
+ if (!input_string[0] || !strcmp(input_string, "0") ||
+ !strcmp(input_string, "*:---")) {
__ksym_trace_reset();
ret = 0;
goto out;