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LoongArch: Use unsigned long for _end and _text

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It is better to use unsigned long rather than long for _end and _text to
calculate the kernel length.

Cc: stable@vger.kernel.org # v6.3+
Fixes: e5f02b51fa ("LoongArch: Add support for kernel address space layout randomization (KASLR)")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Tiezhu Yang 2025-12-06 10:39:48 +08:00 committed by Huacai Chen
parent 4a71df151e
commit a258a3cb18
1 changed files with 2 additions and 2 deletions
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4
arch/loongarch/kernel/relocate.c
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@ -183,7 +183,7 @@ static inline void __init *determine_relocation_address(void)
if (kaslr_disabled())
return destination;
kernel_length = (long)_end - (long)_text;
kernel_length = (unsigned long)_end - (unsigned long)_text;
random_offset = get_random_boot() << 16;
random_offset &= (CONFIG_RANDOMIZE_BASE_MAX_OFFSET - 1);
@ -232,7 +232,7 @@ unsigned long __init relocate_kernel(void)
early_memunmap(cmdline, COMMAND_LINE_SIZE);
if (random_offset) {
kernel_length = (long)(_end) - (long)(_text);
kernel_length = (unsigned long)(_end) - (unsigned long)(_text);
/* Copy the kernel to it's new location */
memcpy(location_new, _text, kernel_length);