linux-kernel - [PATCH] staging: rtl8192e: Constify struct pci_device

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Message-ID: <20240831160831.121720-1-riyandhiman14@gmail.com>
Date: Sat, 31 Aug 2024 21:38:31 +0530
From: Riyan Dhiman <riyandhiman14@...il.com>
To: gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	Riyan Dhiman <riyandhiman14@...il.com>
Subject: [PATCH] staging: rtl8192e: Constify struct pci_device_id

static variable struct pci_device_id rtl8192_pci_id_tbl is not modified
in file rtl_core.c.

Constifying this structure moves some data to a read-only section, so
increase overall security.

Before
======
   text	   data	    bss	    dec	    hex	filename
  17838	    893	      1	  18732	   492c	drivers/staging/rtl8192e/rtl8192e/rtl_core.o

After
=====
  text	   data	    bss	    dec	    hex	filename
  18006	    725	      1	  18732	   492c	drivers/staging/rtl8192e/rtl8192e/rtl_core.o

Signed-off-by: Riyan Dhiman <riyandhiman14@...il.com>
---
Compile tested only
--
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index ad21263e725f..22a203d01b8a 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -25,7 +25,7 @@
 int hwwep = 1;
 static char *ifname = "wlan%d";
 
-static struct pci_device_id rtl8192_pci_id_tbl[] = {
+static const struct pci_device_id rtl8192_pci_id_tbl[] = {
 	{PCI_DEVICE(0x10ec, 0x8192)},
 	{PCI_DEVICE(0x07aa, 0x0044)},
 	{PCI_DEVICE(0x07aa, 0x0047)},
-- 
2.46.0