fs/squashfs/file_direct.c: replace count*size kmalloc by kmalloc_array

kmalloc_array() manages count*sizeof overflow.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/squashfs/file_direct.c b/fs/squashfs/file_direct.c
index 62a0de6..43e7a7e 100644
--- a/fs/squashfs/file_direct.c
+++ b/fs/squashfs/file_direct.c
@@ -44,7 +44,7 @@
 
 	pages = end_index - start_index + 1;
 
-	page = kmalloc(sizeof(void *) * pages, GFP_KERNEL);
+	page = kmalloc_array(pages, sizeof(void *), GFP_KERNEL);
 	if (page == NULL)
 		return res;