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 3090 912 0 4002 fa2 realtek/rtlwifi/rtl8188ee/sw.o File size After adding 'const': text data bss dec hex filename 3154 848 0 4002 fa2 realtek/rtlwifi/rtl8188ee/sw.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c index 774e720..25b1e6d 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c @@ -376,7 +376,7 @@ static const struct rtl_hal_cfg rtl88ee_hal_cfg = { .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15, }; -static struct pci_device_id rtl88ee_pci_ids[] = { +static const struct pci_device_id rtl88ee_pci_ids[] = { {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8179, rtl88ee_hal_cfg)}, {}, }; -- 2.7.4