Commit a258a3cb authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Huacai Chen
Browse files

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: e5f02b51 ("LoongArch: Add support for kernel address space layout randomization (KASLR)")
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 4a71df15

arch/loongarch/kernel/relocate.c

+2 −2
Original line number Diff line number Diff line
@@ -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);