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-rw-r--r--kernel/trace/trace_stack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index e2a153fc1afc..3641f28c343f 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -448,7 +448,7 @@ static char stack_trace_filter_buf[COMMAND_LINE_SIZE+1] __initdata;
static __init int enable_stacktrace(char *str)
{
- if (strncmp(str, "_filter=", 8) == 0)
+ if (str_has_prefix(str, "_filter="))
strncpy(stack_trace_filter_buf, str+8, COMMAND_LINE_SIZE);
stack_tracer_enabled = 1;