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-rw-r--r--tools/perf/arch/x86/util/perf_regs.c2
-rw-r--r--tools/perf/arch/x86/util/pmu.c1
-rw-r--r--tools/perf/arch/x86/util/tsc.c1
3 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index 4b2caf6d48e7..fead6b3b4206 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -226,7 +226,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
else if (rm[2].rm_so != rm[2].rm_eo)
prefix[0] = '+';
else
- strncpy(prefix, "+0", 2);
+ scnprintf(prefix, sizeof(prefix), "+0");
}
/* Rename register */
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c
index 63a74c32ddc5..e33ef5bc31c5 100644
--- a/tools/perf/arch/x86/util/pmu.c
+++ b/tools/perf/arch/x86/util/pmu.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <string.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
#include "../../util/intel-pt.h"
diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
index 06bae7023a51..950539f9a4f7 100644
--- a/tools/perf/arch/x86/util/tsc.c
+++ b/tools/perf/arch/x86/util/tsc.c
@@ -2,6 +2,7 @@
#include <stdbool.h>
#include <errno.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
#include "../../perf.h"