Commit fecf3743 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds

m32r: fix potential NULL-pointer dereference

Add missing check for memory allocation fail.
Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 26db3902
...@@ -43,6 +43,8 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, ...@@ -43,6 +43,8 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm,
{ {
struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO);
if (!pte)
return NULL;
pgtable_page_ctor(pte); pgtable_page_ctor(pte);
return pte; return pte;
} }
......
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