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-rw-r--r--tools/perf/arch/riscv/util/header.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/arch/riscv/util/header.c b/tools/perf/arch/riscv/util/header.c
index 4a41856938a888..1b29030021eeba 100644
--- a/tools/perf/arch/riscv/util/header.c
+++ b/tools/perf/arch/riscv/util/header.c
@@ -41,7 +41,7 @@ static char *_get_cpuid(void)
char *mimpid = NULL;
char *cpuid = NULL;
int read;
- unsigned long line_sz;
+ size_t line_sz;
FILE *cpuinfo;
cpuinfo = fopen(CPUINFO, "r");