linux-kernel - [PATCH 2/2] perf riscv: Fix the warning due to the incompatible type

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Message-ID: <20240305120501.1785084-3-ben717@andestech.com>
Date: Tue, 5 Mar 2024 20:05:01 +0800
From: Ben Zong-You Xie <ben717@...estech.com>
To: <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <namhyung@...nel.org>, <mark.rutland@....com>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...nel.org>,
        <irogers@...gle.com>, <adrian.hunter@...el.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <linux-perf-users@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
CC: <dylan@...estech.com>, <tim609@...estech.com>,
        Ben Zong-You Xie
	<ben717@...estech.com>
Subject: [PATCH 2/2] perf riscv: Fix the warning due to the incompatible type

In the 32-bit platform, the second argument of getline is expectd to be
'size_t *'(aka 'unsigned int *'), but line_sz is of type 
'unsigned long *'. Therefore, declare line_sz as size_t.

Signed-off-by: Ben Zong-You Xie <ben717@...estech.com>
---
 tools/perf/arch/riscv/util/header.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/arch/riscv/util/header.c b/tools/perf/arch/riscv/util/header.c
index 4a41856938a8..1b29030021ee 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");
-- 
2.34.1