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char: ipmi: constify ipmi_smi_handlers structures

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Declare ipmi_smi_handlers structures as const as they are only passed as
an argument to the function ipmi_register_smi. This argument is of type
const, so ipmi_smi_handlers structures having similar properties can be
declared const too.
Done using Coccinelle:

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

@ok1@
identifier r1.i;
position p;
@@
ipmi_register_smi(&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 ipmi_smi_handlers i;

Size details after cross compiling the .o file for powerpc architecture

File size before:
  text	   data	    bss	    dec	    hex	filename
  2777	    288	      0	   3065	    bf9	drivers/char/ipmi/ipmi_powernv.o

File size after:
  text	   data	    bss	    dec	    hex	filename
   2873	    192	      0	   3065	    bf9	drivers/char/ipmi/ipmi_powernv.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Bhumika Goyal 2017-01-16 00:45:00 +05:30 • committed by Corey Minyard
commit db3b7e1341
1 changed files with 1 additions and 1 deletions
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2
drivers/char/ipmi/ipmi_powernv.c
View file

@ -196,7 +196,7 @@ static void ipmi_powernv_poll(void *send_info)
ipmi_powernv_recv(smi);
}
static struct ipmi_smi_handlers ipmi_powernv_smi_handlers = {
static const struct ipmi_smi_handlers ipmi_powernv_smi_handlers = {
.owner = THIS_MODULE,
.start_processing = ipmi_powernv_start_processing,
.sender = ipmi_powernv_send,