| Message ID | 1484981938-29829-1-git-send-email-bhumirks@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
From: Bhumika Goyal <bhumirks@gmail.com> Date: Sat, 21 Jan 2017 12:28:58 +0530 > 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: ... > Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Applied.
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 93dc10b..546f569 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -1065,7 +1065,7 @@ static bool get_bool(struct platform_device *ofdev, const char *s) } } -static struct net_device_ops xemaclite_netdev_ops; +static const struct net_device_ops xemaclite_netdev_ops; /** * xemaclite_of_probe - Probe method for the Emaclite device. @@ -1219,7 +1219,7 @@ static int xemaclite_of_remove(struct platform_device *of_dev) } #endif -static struct net_device_ops xemaclite_netdev_ops = { +static const struct net_device_ops xemaclite_netdev_ops = { .ndo_open = xemaclite_open, .ndo_stop = xemaclite_close, .ndo_start_xmit = xemaclite_send,
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 6201 744 0 6945 1b21 ethernet/xilinx/xilinx_emaclite.o File size after: text data bss dec hex filename 6745 192 0 6937 1b19 ethernet/xilinx/xilinx_emaclite.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> --- Changes in v2: * Corrected the commit message. drivers/net/ethernet/xilinx/xilinx_emaclite.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)