From: Fabian Frederick <fabf@skynet.be>
Date: Fri, 8 Aug 2014 21:22:35 +0000 (-0700)
Subject: fs/pstore/ram_core.c: replace count*size kmalloc by kmalloc_array
X-Git-Tag: v3.17-rc1~73^2~101
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b8f52d89c0c6daec8a9f9e00c1c9afb680cbcf5e;p=platform%2Fkernel%2Flinux-stable.git

fs/pstore/ram_core.c: replace count*size kmalloc by kmalloc_array

kmalloc_array manages count*sizeof overflow.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 34a1e5a..9d7b9a8 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -394,7 +394,7 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t size)
 
 	prot = pgprot_noncached(PAGE_KERNEL);
 
-	pages = kmalloc(sizeof(struct page *) * page_count, GFP_KERNEL);
+	pages = kmalloc_array(page_count, sizeof(struct page *), GFP_KERNEL);
 	if (!pages) {
 		pr_err("%s: Failed to allocate array for %u pages\n",
 		       __func__, page_count);