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arm64: handle pgtable_page_ctor() fail
[deliverable/linux.git]
/
arch
/
arm64
/
include
/
asm
/
pgalloc.h
diff --git
a/arch/arm64/include/asm/pgalloc.h
b/arch/arm64/include/asm/pgalloc.h
index f214069ec5d5c594731399ca2db176ebe54c447e..9bea6e74a0018154727403db31662c43e6a2aa23 100644
(file)
--- a/
arch/arm64/include/asm/pgalloc.h
+++ b/
arch/arm64/include/asm/pgalloc.h
@@
-63,9
+63,12
@@
pte_alloc_one(struct mm_struct *mm, unsigned long addr)
struct page *pte;
pte = alloc_pages(PGALLOC_GFP, 0);
- if (pte)
- pgtable_page_ctor(pte);
-
+ if (!pte)
+ return NULL;
+ if (!pgtable_page_ctor(pte)) {
+ __free_page(pte);
+ return NULL;
+ }
return pte;
}
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