aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKirill A. Shutemov <[email protected]>2013-11-14 14:31:17 -0800
committerLinus Torvalds <[email protected]>2013-11-15 09:32:15 +0900
commit26db39027c00744107acf184527010a1e05907e7 (patch)
tree83ca296174827c23f8ce7c0e6053431f870ed2e9
parent09ef4939850aa81e3822b5dfb9ba2ada5e565816 (diff)
cris: fix potential NULL-pointer dereference
Add missing check for memory allocation fail. Signed-off-by: Kirill A. Shutemov <[email protected]> Cc: Mikael Starvik <[email protected]> Acked-by: Jesper Nilsson <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--arch/cris/include/asm/pgalloc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
index 6da975db112f..d9504d38c276 100644
--- a/arch/cris/include/asm/pgalloc.h
+++ b/arch/cris/include/asm/pgalloc.h
@@ -32,6 +32,8 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
{
struct page *pte;
pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
+ if (!pte)
+ return NULL;
pgtable_page_ctor(pte);
return pte;
}