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

kmalloc_array manages count*sizeof overflow. Signed-off-by: Fabian Frederick <[email protected]> Cc: Anton Vorontsov <[email protected]> Cc: Colin Cross <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
niw · Aug 8, 2014 · b8f52d8 · b8f52d8
1 parent 340f365
commit b8f52d8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);