There should be p4dp used when p4d page is allocated.
This is not a functional issue, but for the logical correctness this
should be fixed.

Fixes: e9f6376858b9 ("arm64: add support for folded p4d page tables")
Signed-off-by: Pavel Tatashin <[email protected]>
---
 arch/arm64/kernel/hibernate.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 9c9f47e9f7f4..0a54d81c90f9 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -190,10 +190,10 @@ static int trans_pgd_map_page(pgd_t *trans_pgd, void 
*page,
 
        pgdp = pgd_offset_pgd(trans_pgd, dst_addr);
        if (pgd_none(READ_ONCE(*pgdp))) {
-               pudp = (void *)get_safe_page(GFP_ATOMIC);
-               if (!pudp)
+               p4dp = (void *)get_safe_page(GFP_ATOMIC);
+               if (!pgdp)
                        return -ENOMEM;
-               pgd_populate(&init_mm, pgdp, pudp);
+               pgd_populate(&init_mm, pgdp, p4dp);
        }
 
        p4dp = p4d_offset(pgdp, dst_addr);
-- 
2.25.1

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