diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-05 17:06:39 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-11-05 17:40:07 +1100 |
| commit | 95bb0e14d3ff94f88c1324cfd79140148eec9053 (patch) | |
| tree | d01f6f1e6dcceb58aebabb3550394b39bd690ed5 /arch | |
| parent | fd79d1a0a2e3c2d203558157baecc50ac2eb3ae8 (diff) | |
m32r: fix potential NULL-pointer dereference
Add missing check for memory allocation fail.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m32r/include/asm/pgalloc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h index 0fc736198979..ac4208bcc5ad 100644 --- a/arch/m32r/include/asm/pgalloc.h +++ b/arch/m32r/include/asm/pgalloc.h @@ -43,6 +43,8 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, { struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); + if (!pte) + return NULL; pgtable_page_ctor(pte); return pte; } |