genetlink: remove superfluous assignment

the local variable ops and n_ops were just read out from family,
and not changed, hence no need to assign back.

Validation functions should operate on const parameters and not
change anything.

Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 5 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index a3ba3ca0ff92..76393f2f4b22 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -317,7 +317,7 @@ static void genl_unregister_mc_groups(struct genl_family *family)
         }
 }
 
-static int genl_validate_ops(struct genl_family *family)
+static int genl_validate_ops(const struct genl_family *family)
 {
         const struct genl_ops *ops = family->ops;
         unsigned int n_ops = family->n_ops;
@@ -337,10 +337,6 @@ static int genl_validate_ops(struct genl_family *family)
                                 return -EINVAL;
         }
 
-        /* family is not registered yet, so no locking needed */
-        family->ops = ops;
-        family->n_ops = n_ops;
-
         return 0;
 }