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net: xilinx: constify net_device_ops structure

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bhumika Goyal
2017-01-21 12:28:58 +05:30
committed by David S. Miller
parent 30bd2f52e5
commit 10eeb5e645
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/ethernet/xilinx/xilinx_emaclite.c
+2 -2
View File
@@ -1051,7 +1051,7 @@ 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.
@@ -1205,7 +1205,7 @@ xemaclite_poll_controller(struct net_device *ndev)
}
#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,