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Commit a4c28ab7 authored by Akinobu Mita's avatar Akinobu Mita Committed by Paul Mackerras
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[POWERPC] Fix return from pte_alloc_one() in out-of-memory case 



pte_alloc_one() is expected to return NULL if out of memory.
But it returns virt_to_page(NULL), which is not NULL.
This fixes it.

Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: default avatarAkinobu Mita <mita@fixstars.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 66b30922

include/asm-powerpc/pgalloc-64.h

+2 −1
Original line number Original line Diff line number Diff line
@@ -90,7 +90,8 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 
static inline struct page *pte_alloc_one(struct mm_struct *mm,

static inline struct page *pte_alloc_one(struct mm_struct *mm,

					 unsigned long address)

					 unsigned long address)

{

{

	return virt_to_page(pte_alloc_one_kernel(mm, address));

	pte_t *pte = pte_alloc_one_kernel(mm, address);

	return pte ? virt_to_page(pte) : NULL;

}

}





static inline void pte_free_kernel(pte_t *pte)

static inline void pte_free_kernel(pte_t *pte)