ARM: SAMSUNG: Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 53754bcf15a7..9fe35348e03b 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;