linux-kernel - [PATCH 03/26] staging: rtl8192e: constify local structures

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Date:   Sun, 11 Sep 2016 15:05:45 +0200
From:   Julia Lawall <Julia.Lawall@...6.fr>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     joe@...ches.com, kernel-janitors@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 03/26] staging: rtl8192e: constify local structures

For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@...ches.com>.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
The semantic patch seems too long for a commit log, but is in the cover
letter.

 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 e01fff0..4c30eea 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -38,7 +38,7 @@ static int channels = 0x3fff;
 static char *ifname = "wlan%d";
 
 
-static struct rtl819x_ops rtl819xp_ops = {
+static const struct rtl819x_ops rtl819xp_ops = {
 	.nic_type			= NIC_8192E,
 	.get_eeprom_size		= rtl92e_get_eeprom_size,
 	.init_adapter_variable		= rtl92e_init_variables,