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-rw-r--r--kernel/trace/trace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index fa4f742fc449..79fe4d6ecbd8 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3297,6 +3297,9 @@ int trace_array_printk(struct trace_array *tr,
if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))
return 0;
+ if (!tr)
+ return -ENOENT;
+
va_start(ap, fmt);
ret = trace_array_vprintk(tr, ip, fmt, ap);
va_end(ap);
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