drm/vmwgfx: Use kmemdup instead of kmalloc and memcpy

When some other buffer is immediately copied into allocated region.
Replace calls to kmalloc followed by a memcpy with a direct
call to kmemdup.

Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Reviewed-by: Sinclair Yeh <syeh@vmare.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index b6126a5f1269..941bcfd131ff 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -319,18 +319,17 @@ int vmw_otables_setup(struct vmw_private *dev_priv)
         int ret;
 
         if (dev_priv->has_dx) {
-                *otables = kmalloc(sizeof(dx_tables), GFP_KERNEL);
+                *otables = kmemdup(dx_tables, sizeof(dx_tables), GFP_KERNEL);
                 if (*otables == NULL)
                         return -ENOMEM;
 
-                memcpy(*otables, dx_tables, sizeof(dx_tables));
                 dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables);
         } else {
-                *otables = kmalloc(sizeof(pre_dx_tables), GFP_KERNEL);
+                *otables = kmemdup(pre_dx_tables, sizeof(pre_dx_tables),
+                                   GFP_KERNEL);
                 if (*otables == NULL)
                         return -ENOMEM;
 
-                memcpy(*otables, pre_dx_tables, sizeof(pre_dx_tables));
                 dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables);
         }