Staging: wilc1000: constify cfg80211_ops structures
authorBhumika Goyal <bhumirks@gmail.com>
Mon, 26 Sep 2016 14:33:06 +0000 (20:03 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 Sep 2016 11:02:06 +0000 (13:02 +0200)
commit1c40429dfad97d4e8193603058915182b728c8e9
tree2a0c276f43783e2e3b61589835a40c27c60bcd13
parent4a7beb1850d23d8a396d8655195c0e211cdb2221
Staging: wilc1000: constify cfg80211_ops structures

Check for cfg80211_ops structures that are only passed as the first
argument to the function wiphy_new. As this argument is constant, so
cfg80211_ops structures having this property can also be declared
constant.
Done using coccinelle:

@r1 disable optional_qualifier @
identifier i;
position p;
@@
static struct cfg80211_ops i@p = {...};

@ok1@
identifier r1.i;
position p;
expression e1;
@@
wiphy_new(&i@p,e1)

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
static
+const
struct cfg80211_ops i={...};

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct cfg80211_ops i;

File size before:
   text    data     bss     dec     hex filename
  17468    2417   14912   34797    87ed
drivers/staging/wilc1000/wilc_wfi_cfgoperations.o

File size after:
   text    data     bss     dec     hex filename
  18204    1681   14912   34797    87ed
drivers/staging/wilc1000/wilc_wfi_cfgoperations.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c