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

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
...@@ -51,12 +51,14 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr) ...@@ -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;
......
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