linux-kernel - [PATCH] LoongArch: Fix unsigned function returning negative constant

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Message-ID: <1653360446-15598-1-git-send-email-baihaowen@meizu.com>
Date:   Tue, 24 May 2022 10:47:25 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Ard Biesheuvel <ardb@...nel.org>,
        Huacai Chen <chenhuacai@...nel.org>
CC:     Haowen Bai <baihaowen@...zu.com>, <linux-efi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] LoongArch: Fix unsigned function returning negative constant

The function set_virtual_map has an unsigned return type, but returns a
negative constant to indicate an error condition. So we change unsigned
to int.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 arch/loongarch/kernel/efi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/loongarch/kernel/efi.c b/arch/loongarch/kernel/efi.c
index 69ebdd4220ec..f9fdeb1ae358 100644
--- a/arch/loongarch/kernel/efi.c
+++ b/arch/loongarch/kernel/efi.c
@@ -102,7 +102,7 @@ static void __init fix_efi_mapping(void)
  * in @memory_map whose EFI_MEMORY_RUNTIME attribute is set. Those descriptors
  * are also copied to @runtime_map, and their total count is returned in @count.
  */
-static unsigned int __init set_virtual_map(void)
+static int __init set_virtual_map(void)
 {
 	int count = 0;
 	unsigned int size;
-- 
2.7.4