[WATCHDOG] v2.6.8.1 watchdog-llseek-patch

The watchdog drivers use a VFS implementation and thus should not be
lseek'able, so we put a '.llseek = no_llseek' in the file_operations
structure.

drivers/char/watchdog/ib700wdt.c

@@ -263,6 +263,7 @@ ibwdt_notify_sys(struct notifier_block *this, unsigned long code,
 
 static struct file_operations ibwdt_fops = {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= ibwdt_write,
 	.ioctl		= ibwdt_ioctl,
 	.open		= ibwdt_open,

drivers/char/watchdog/indydog.c

@@ -162,6 +162,7 @@ static int indydog_notify_sys(struct notifier_block *this, unsigned long code, v
 
 static struct file_operations indydog_fops = {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= indydog_write,
 	.ioctl		= indydog_ioctl,
 	.open		= indydog_open,

drivers/char/watchdog/ixp4xx_wdt.c

@@ -170,6 +170,7 @@ ixp4xx_wdt_release(struct inode *inode, struct file *file)
 static struct file_operations ixp4xx_wdt_fops =
 {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= ixp4xx_wdt_write,
 	.ioctl		= ixp4xx_wdt_ioctl,
 	.open		= ixp4xx_wdt_open,

drivers/char/watchdog/machzwd.c

@@ -425,6 +425,7 @@ static int zf_notify_sys(struct notifier_block *this, unsigned long code,
 
 static struct file_operations zf_fops = {
 	.owner          = THIS_MODULE,
+	.llseek         = no_llseek,
 	.write          = zf_write,
 	.ioctl          = zf_ioctl,
 	.open           = zf_open,

drivers/char/watchdog/mixcomwd.c

@@ -197,6 +197,7 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
 static struct file_operations mixcomwd_fops=
 {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= mixcomwd_write,
 	.ioctl		= mixcomwd_ioctl,
 	.open		= mixcomwd_open,

drivers/char/watchdog/sa1100_wdt.c

@@ -162,6 +162,7 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
 static struct file_operations sa1100dog_fops =
 {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= sa1100dog_write,
 	.ioctl		= sa1100dog_ioctl,
 	.open		= sa1100dog_open,

drivers/char/watchdog/sc1200wdt.c

@@ -301,6 +301,7 @@ static struct notifier_block sc1200wdt_notifier =
 static struct file_operations sc1200wdt_fops =
 {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= sc1200wdt_write,
 	.ioctl		= sc1200wdt_ioctl,
 	.open		= sc1200wdt_open,

drivers/char/watchdog/scx200_wdt.c

@@ -201,6 +201,7 @@ static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
 
 static struct file_operations scx200_wdt_fops = {
 	.owner	 = THIS_MODULE,
+	.llseek	 = no_llseek,
 	.write   = scx200_wdt_write,
 	.ioctl   = scx200_wdt_ioctl,
 	.open    = scx200_wdt_open,

drivers/char/watchdog/wdt285.c

@@ -180,6 +180,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 static struct file_operations watchdog_fops = {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= watchdog_write,
 	.ioctl		= watchdog_ioctl,
 	.open		= watchdog_open,

drivers/char/watchdog/wdt977.c

@@ -392,6 +392,7 @@ static int wdt977_notify_sys(struct notifier_block *this, unsigned long code,
 static struct file_operations wdt977_fops=
 {
 	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
 	.write		= wdt977_write,
 	.ioctl		= wdt977_ioctl,
 	.open		= wdt977_open,