diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index 9859e1178e6bed174835ccb90b355f9f43c0a5f8..dbeeeffdb9c9e876a9a1e6a8925959a57e82d3ea 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -202,6 +202,7 @@ static int create_safe_exec_page(void *src_start, size_t length, gfp_t mask) { int rc = 0; + pgd_t *trans_pgd; pgd_t *pgdp; pud_t *pudp; pmd_t *pmdp; @@ -216,7 +217,13 @@ static int create_safe_exec_page(void *src_start, size_t length, memcpy((void *)dst, src_start, length); __flush_icache_range(dst, dst + length); - pgdp = pgd_offset_raw(allocator(mask), dst_addr); + trans_pgd = allocator(mask); + if (!trans_pgd) { + rc = -ENOMEM; + goto out; + } + + pgdp = pgd_offset_raw(trans_pgd, dst_addr); if (pgd_none(READ_ONCE(*pgdp))) { pudp = allocator(mask); if (!pudp) {