• Bhumika Goyal's avatar
    net: ieee802154: constify ieee802154_ops structures · e796f49d
    Bhumika Goyal authored
    Declare the structure ieee802154_ops as const as it is only passed as an
    argument to the function  ieee802154_alloc_hw. This argument is of type
    const struct ieee802154_ops *, so ieee80254_ops structures having this
    property can be declared as const.
    Done using Coccinelle:
    
    @r1 disable optional_qualifier @
    identifier i;
    position p;
    @@
    static struct ieee802154_ops i@p = {...};
    
    @ok1@
    identifier r1.i;
    position p;
    expression e1;
    @@
    ieee802154_alloc_hw(e1,&i@p)
    
    @bad@
    position p!={r1.p,ok1.p};
    identifier r1.i;
    @@
    i@p
    
    @depends on !bad disable optional_qualifier@
    identifier r1.i;
    @@
    static
    +const
    struct ieee802154_ops  i={...};
    
    @depends on !bad disable optional_qualifier@
    identifier r1.i;
    @@
    +const
    struct ieee802154_ops  i;
    
    The before and after size details of the affected files are:
    
       text	   data	    bss	    dec	    hex	filename
       8669	   1176	     16	   9861	   2685	drivers/net/ieee802154/adf7242.o
       8805	   1048	     16	   9869	   268d	drivers/net/ieee802154/adf7242.o
    
       text	   data	    bss	    dec	    hex	filename
       7211	   2296	     32	   9539	   2543	drivers/net/ieee802154/atusb.o
       7339	   2160	     32	   9531	   253b	drivers/net/ieee802154/atusb.o
    Signed-off-by: default avatarBhumika Goyal <bhumirks@gmail.com>
    Acked-by: default avatarStefan Schmidt <stefan@osg.samsung.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    e796f49d
adf7242.c 33.9 KB