net: mvneta: fix error message when MTU too large for XDP

commit 0d136f5cd9a7ba6ded7f8ff17e8b1ba680f37625 upstream.

The error message says that "Jumbo frames are not supported on XDP", but
the code checks for mtu > MVNETA_MAX_RX_BUF_SIZE, not mtu > 1500.

Fix this error message.

Signed-off-by: Marek Behún <kabel@kernel.org>
Fixes: 0db51da7a8e9 ("net: mvneta: add basic XDP support")
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Link: https://lore.kernel.org/r/20210105172333.21613-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index c3e4294..ceb4f27 100644 (file)
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4409,7 +4409,7 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
        struct bpf_prog *old_prog;
 
        if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
-               NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not supported on XDP");
+               NL_SET_ERR_MSG_MOD(extack, "MTU too large for XDP");
                return -EOPNOTSUPP;
        }