Change to use memmove(), in case the dest address overlap with the
source address.

Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
 arch/arm64/kernel/efi-stub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/efi-stub.c b/arch/arm64/kernel/efi-stub.c
index 816120e..b6dc44b 100644
--- a/arch/arm64/kernel/efi-stub.c
+++ b/arch/arm64/kernel/efi-stub.c
@@ -59,7 +59,7 @@ efi_status_t __init handle_kernel_image(efi_system_table_t 
*sys_table_arg,
                        }
                        *image_addr = *reserve_addr + TEXT_OFFSET;
                }
-               memcpy((void *)*image_addr, old_image_addr, kernel_size);
+               memmove((void *)*image_addr, old_image_addr, kernel_size);
                *reserve_size = kernel_memsize;
        }
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to