diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2025-12-06 10:39:48 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2025-12-06 10:39:48 +0800 |
| commit | a258a3cb1895e3acf5f2fe245d17426e894bc935 (patch) | |
| tree | abe3864668870345ffdc7d16feff6d43e5723fc4 | |
| parent | 4a71df151e703b5e7e85b33369cee59ef2665e61 (diff) | |
LoongArch: Use unsigned long for _end and _text
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: e5f02b51fa0c ("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>
| -rw-r--r-- | arch/loongarch/kernel/relocate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/loongarch/kernel/relocate.c b/arch/loongarch/kernel/relocate.c index b5e2312a2fca..76abbb8d2931 100644 --- a/arch/loongarch/kernel/relocate.c +++ b/arch/loongarch/kernel/relocate.c @@ -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); |