ARM: SAMSUNG: Use kmemdup rather than duplicating its implementation

---
 arch/arm/plat-s3c24xx/dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 53754bcf..9fe3534 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1437,11 +1437,10 @@ int __init s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel)
 	size_t map_sz = sizeof(*nmap) * sel->map_size;
 	int ptr;
 
-	nmap = kmalloc(map_sz, GFP_KERNEL);
+	nmap = kmemdup(sel->map, map_sz, GFP_KERNEL);
 	if (nmap == NULL)
 		return -ENOMEM;
 
-	memcpy(nmap, sel->map, map_sz);
 	memcpy(&dma_sel, sel, sizeof(*sel));
 
 	dma_sel.map = nmap;