linux-kernel - [PATCH 09/11] net: ec_bhf: constify pci_device

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Date:   Mon, 17 Jul 2017 23:42:34 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     reksio@...term.pl, kvalo@...eaurora.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/11] net: ec_bhf: constify pci_device_id.

pci_device_id are not supposed to change at runtime. All functions
working with pci_device_id provided by <linux/pci.h> work with
const pci_device_id. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   5113	    384	      0	   5497	   1579	drivers/net/ethernet/ec_bhf.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   5177	    320	      0	   5497	   1579	drivers/net/ethernet/ec_bhf.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/net/ethernet/ec_bhf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
index 4ee042c..1b79a6d 100644
--- a/drivers/net/ethernet/ec_bhf.c
+++ b/drivers/net/ethernet/ec_bhf.c
@@ -73,7 +73,7 @@

 #define ETHERCAT_MASTER_ID	0x14

-static struct pci_device_id ids[] = {
+static const struct pci_device_id ids[] = {
 	{ PCI_DEVICE(0x15ec, 0x5000), },
 	{ 0, }
 };
-- 
2.7.4