linux-kernel - [PATCH v3 08/12] tools/nolibc: open: fix up compile warning for arm

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Message-Id: <66f55993e77b55bc666c003de2d598f81f19e4e4.1685777982.git.falcon@tinylab.org>
Date:   Sat,  3 Jun 2023 16:11:57 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     w@....eu
Cc:     falcon@...ylab.org, arnd@...db.de, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-riscv@...ts.infradead.org,
        thomas@...ch.de
Subject: [PATCH v3 08/12] tools/nolibc: open: fix up compile warning for arm

    In function ‘open’:
    nolibc/sysroot/arm/include/sys.h:919:23: warning: ‘mode_t’ {aka ‘short unsigned int’} is promoted to ‘int’ when passed through ‘...’
      919 |   mode = va_arg(args, mode_t);
          |                       ^
    nolibc/sysroot/arm/include/sys.h:919:23: note: (so you should pass ‘int’ not ‘mode_t’ {aka ‘short unsigned int’} to ‘va_arg’)
    nolibc/sysroot/arm/include/sys.h:919:23: note: if this code is reached, the program will abort

Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
---
 tools/include/nolibc/sys.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 0160605444e7..856249a11890 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -862,7 +862,7 @@ int open(const char *path, int flags, ...)
 		va_list args;
 
 		va_start(args, flags);
-		mode = va_arg(args, mode_t);
+		mode = va_arg(args, int);
 		va_end(args);
 	}
 
-- 
2.25.1