X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=kernel%2Ftrace%2Ftrace_functions_graph.c;h=6bff2362578115f4a087195362a5257c3b838d42;hb=4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9;hp=79f4bac99a94a767569a8247091eb7fd196fae7b;hpb=2a88e7e559f2358f4e1422d0b0c0278a74136581;p=cascardo%2Flinux.git

diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 79f4bac99a94..6bff23625781 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -641,7 +641,8 @@ trace_print_graph_duration(unsigned long long duration, struct trace_seq *s)
 
 	/* Print nsecs (we don't want to exceed 7 numbers) */
 	if (len < 7) {
-		snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
+		snprintf(nsecs_str, min(sizeof(nsecs_str), 8UL - len), "%03lu",
+			 nsecs_rem);
 		ret = trace_seq_printf(s, ".%s", nsecs_str);
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;