dm init: fix incorrect uses of kstrndup()

Fix 2 kstrndup() calls with incorrect argument order.

Fixes: 6bbc923dfcf5 ("dm: add support to directly boot to a mapped device")
Cc: stable@vger.kernel.org # v5.1
Signed-off-by: Gen Zhang <blackgod016574@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c
index 352e803..6461163 100644 (file)
--- a/drivers/md/dm-init.c
+++ b/drivers/md/dm-init.c
@@ -140,8 +140,8 @@ static char __init *dm_parse_table_entry(struct dm_device *dev, char *str)
                return ERR_PTR(-EINVAL);
        }
        /* target_args */
-       dev->target_args_array[n] = kstrndup(field[3], GFP_KERNEL,
-                                            DM_MAX_STR_SIZE);
+       dev->target_args_array[n] = kstrndup(field[3], DM_MAX_STR_SIZE,
+                                            GFP_KERNEL);
        if (!dev->target_args_array[n])
                return ERR_PTR(-ENOMEM);
 
@@ -275,7 +275,7 @@ static int __init dm_init_init(void)
                DMERR("Argument is too big. Limit is %d\n", DM_MAX_STR_SIZE);
                return -EINVAL;
        }
-       str = kstrndup(create, GFP_KERNEL, DM_MAX_STR_SIZE);
+       str = kstrndup(create, DM_MAX_STR_SIZE, GFP_KERNEL);
        if (!str)
                return -ENOMEM;