From: Bhumika Goyal Date: Sat, 21 Jan 2017 06:57:26 +0000 (+0530) Subject: net: moxa: constify net_device_ops structures X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=30bd2f52e56ea35028cf1d13c21484918b6ff22d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net: moxa: constify net_device_ops structures Declare net_device_ops structure as const as it is only stored in the netdev_ops field of a net_device structure. This field is of type const, so net_device_ops structures having same properties can be made const too. Done using Coccinelle: @r1 disable optional_qualifier@ identifier i; position p; @@ static struct net_device_ops i@p={...}; @ok1@ identifier r1.i; position p; struct net_device ndev; @@ ndev.netdev_ops=&i@p @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct net_device_ops i; File size before: text data bss dec hex filename 4821 744 0 5565 15bd ethernet/moxa/moxart_ether.o File size after: text data bss dec hex filename 5373 192 0 5565 15bd ethernet/moxa/moxart_ether.o Signed-off-by: Bhumika Goyal Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 9774b50cff6e..6a6525f7d2ea 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -436,7 +436,7 @@ static void moxart_mac_set_rx_mode(struct net_device *ndev) spin_unlock_irq(&priv->txlock); } -static struct net_device_ops moxart_netdev_ops = { +static const struct net_device_ops moxart_netdev_ops = { .ndo_open = moxart_mac_open, .ndo_stop = moxart_mac_stop, .ndo_start_xmit = moxart_mac_start_xmit,