diff mbox series

[RFC,1/3] batman-adv: Avoid magic value for minimum MTU

Message ID 20230727-jumbo-mtu-v1-1-036ce1a6e33c@narfation.org (mailing list archive)
State Accepted, archived
Delegated to: Simon Wunderlich
Headers
Series batman-adv: Enable support for jumbo frames |

Commit Message

Sven Eckelmann July 27, 2023, 8:13 a.m. UTC 
  The header linux/if_ether.h already defines a constant for the minimum MTU.
So simply use it instead of having a magic constant in the code.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
 net/batman-adv/soft-interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index d3fdf822..f7947fad 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -154,7 +154,7 @@  static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
 static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
 {
 	/* check ranges */
-	if (new_mtu < 68 || new_mtu > batadv_hardif_min_mtu(dev))
+	if (new_mtu < ETH_MIN_MTU || new_mtu > batadv_hardif_min_mtu(dev))
 		return -EINVAL;
 
 	dev->mtu = new_mtu;