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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch)
tree3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/char/watchdog
parent5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff)
downloadop-kernel-dev-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.zip
op-kernel-dev-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.tar.gz
[PATCH] mark struct file_operations const 3
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/watchdog')
-rw-r--r--drivers/char/watchdog/iTCO_wdt.c2
-rw-r--r--drivers/char/watchdog/omap_wdt.c2
-rw-r--r--drivers/char/watchdog/pc87413_wdt.c2
-rw-r--r--drivers/char/watchdog/pnx4008_wdt.c2
-rw-r--r--drivers/char/watchdog/rm9k_wdt.c2
-rw-r--r--drivers/char/watchdog/smsc37b787_wdt.c2
-rw-r--r--drivers/char/watchdog/w83697hf_wdt.c2
7 files changed, 7 insertions, 7 deletions
diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
index 7eac922..fd8a44a 100644
--- a/drivers/char/watchdog/iTCO_wdt.c
+++ b/drivers/char/watchdog/iTCO_wdt.c
@@ -539,7 +539,7 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
* Kernel Interfaces
*/
-static struct file_operations iTCO_wdt_fops = {
+static const struct file_operations iTCO_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = iTCO_wdt_write,
diff --git a/drivers/char/watchdog/omap_wdt.c b/drivers/char/watchdog/omap_wdt.c
index 6c6f973..84074a6 100644
--- a/drivers/char/watchdog/omap_wdt.c
+++ b/drivers/char/watchdog/omap_wdt.c
@@ -230,7 +230,7 @@ omap_wdt_ioctl(struct inode *inode, struct file *file,
}
}
-static struct file_operations omap_wdt_fops = {
+static const struct file_operations omap_wdt_fops = {
.owner = THIS_MODULE,
.write = omap_wdt_write,
.ioctl = omap_wdt_ioctl,
diff --git a/drivers/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c
index 1d447e32..a77a907 100644
--- a/drivers/char/watchdog/pc87413_wdt.c
+++ b/drivers/char/watchdog/pc87413_wdt.c
@@ -526,7 +526,7 @@ static int pc87413_notify_sys(struct notifier_block *this,
/* -- Module's structures ---------------------------------------*/
-static struct file_operations pc87413_fops = {
+static const struct file_operations pc87413_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pc87413_write,
diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
index 3a55fc6..ff6f1ca 100644
--- a/drivers/char/watchdog/pnx4008_wdt.c
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -238,7 +238,7 @@ static int pnx4008_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static struct file_operations pnx4008_wdt_fops = {
+static const struct file_operations pnx4008_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pnx4008_wdt_write,
diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c
index 7576a13..b467883 100644
--- a/drivers/char/watchdog/rm9k_wdt.c
+++ b/drivers/char/watchdog/rm9k_wdt.c
@@ -95,7 +95,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started");
/* Kernel interfaces */
-static struct file_operations fops = {
+static const struct file_operations fops = {
.owner = THIS_MODULE,
.open = wdt_gpi_open,
.release = wdt_gpi_release,
diff --git a/drivers/char/watchdog/smsc37b787_wdt.c b/drivers/char/watchdog/smsc37b787_wdt.c
index 9f56913..a9681d5 100644
--- a/drivers/char/watchdog/smsc37b787_wdt.c
+++ b/drivers/char/watchdog/smsc37b787_wdt.c
@@ -510,7 +510,7 @@ static int wb_smsc_wdt_notify_sys(struct notifier_block *this, unsigned long cod
/* -- Module's structures ---------------------------------------*/
-static struct file_operations wb_smsc_wdt_fops =
+static const struct file_operations wb_smsc_wdt_fops =
{
.owner = THIS_MODULE,
.llseek = no_llseek,
diff --git a/drivers/char/watchdog/w83697hf_wdt.c b/drivers/char/watchdog/w83697hf_wdt.c
index 7768b55..c960ec1 100644
--- a/drivers/char/watchdog/w83697hf_wdt.c
+++ b/drivers/char/watchdog/w83697hf_wdt.c
@@ -323,7 +323,7 @@ wdt_notify_sys(struct notifier_block *this, unsigned long code,
* Kernel Interfaces
*/
-static struct file_operations wdt_fops = {
+static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdt_write,
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