efi/x86: libstub: remove unused variable

The variable "has_system_memory" is unused in function
‘adjust_memory_range_protection’, remove it.

Signed-off-by: chen zhang <chenzhang@kylinos.cn>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 05ae8bcc9d671e46bb350d0193c866c54f22bb3d..43ca665af610c4ff4dc91d8f954976e2ce2445be 100644 (file)
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -220,7 +220,6 @@ adjust_memory_range_protection(unsigned long start, unsigned long size)
        unsigned long end, next;
        unsigned long rounded_start, rounded_end;
        unsigned long unprotect_start, unprotect_size;
-       int has_system_memory = 0;
 
        if (efi_dxe_table == NULL)
                return;