1 files changed, 7 insertions, 8 deletions

diff --git a/mm/cma.c b/mm/cma.c
index 3a18f8d8ea5e..aa2df0bd49c3 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -52,7 +52,7 @@ unsigned long cma_get_size(const struct cma *cma)
 
 const char *cma_get_name(const struct cma *cma)
 {
-	return cma->name ? cma->name : "(undefined)";
+	return cma->name;
 }
 
 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
@@ -202,13 +202,12 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
 	 * subsystems (like slab allocator) are available.
 	 */
 	cma = &cma_areas[cma_area_count];
-	if (name) {
-		cma->name = name;
-	} else {
-		cma->name = kasprintf(GFP_KERNEL, "cma%d\n", cma_area_count);
-		if (!cma->name)
-			return -ENOMEM;
-	}
+
+	if (name)
+		snprintf(cma->name, CMA_MAX_NAME, name);
+	else
+		snprintf(cma->name, CMA_MAX_NAME,  "cma%d\n", cma_area_count);
+
 	cma->base_pfn = PFN_DOWN(base);
 	cma->count = size >> PAGE_SHIFT;
 	cma->order_per_bit = order_per_bit;