tty: synclink: constify pci_device_id.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Sun, 23 Jul 2017 10:01:04 +0000 (15:31 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 30 Jul 2017 14:35:27 +0000 (07:35 -0700)
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
  51755     400     513   52668    cdbc drivers/tty/synclink.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  51883     304     513   52700    cddc drivers/tty/synclink.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/synclink.c

index 3fafc5a..3be9811 100644 (file)
@@ -884,7 +884,7 @@ static int synclink_init_one (struct pci_dev *dev,
                                     const struct pci_device_id *ent);
 static void synclink_remove_one (struct pci_dev *dev);
 
-static struct pci_device_id synclink_pci_tbl[] = {
+static const struct pci_device_id synclink_pci_tbl[] = {
        { PCI_VENDOR_ID_MICROGATE, PCI_DEVICE_ID_MICROGATE_USC, PCI_ANY_ID, PCI_ANY_ID, },
        { PCI_VENDOR_ID_MICROGATE, 0x0210, PCI_ANY_ID, PCI_ANY_ID, },
        { 0, }, /* terminate list */