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Commit e90bedbb authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

unicore32: handle pgtable_page_ctor() fail 



Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 647f884e

arch/unicore32/include/asm/pgalloc.h

+8 −6
Original line number Original line Diff line number Diff line
@@ -51,12 +51,14 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr) 
	struct page *pte;

	struct page *pte;





	pte = alloc_pages(PGALLOC_GFP, 0);

	pte = alloc_pages(PGALLOC_GFP, 0);

	if (pte) {

	if (!pte)

		return NULL;

	if (!PageHighMem(pte)) {

	if (!PageHighMem(pte)) {

		void *page = page_address(pte);

		void *page = page_address(pte);

		clean_dcache_area(page, PTRS_PER_PTE * sizeof(pte_t));

		clean_dcache_area(page, PTRS_PER_PTE * sizeof(pte_t));

	}

	}

		pgtable_page_ctor(pte);

	if (!pgtable_page_ctor(pte)) {

		__free_page(pte);

	}

	}





	return pte;

	return pte;