[WATCHDOG] use ENOTTY instead of ENOIOCTLCMD in ioctl()

Return ENOTTY instead of ENOIOCTLCMD in user-visible ioctl() results

The watchdog drivers used to return ENOIOCTLCMD for bad ioctl() commands.
ENOIOCTLCMD should not be visible by the user, so use ENOTTY instead.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
index ebd3fc8000e5..8f89948832fc 100644
--- a/drivers/char/watchdog/iTCO_wdt.c
+++ b/drivers/char/watchdog/iTCO_wdt.c
@@ -494,7 +494,7 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
                 }
 
                 default:
-                        return -ENOIOCTLCMD;
+                        return -ENOTTY;
         }
 }
 
diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
index e7f0450a939d..db2731ba88e3 100644
--- a/drivers/char/watchdog/pnx4008_wdt.c
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -184,7 +184,7 @@ static int
 pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                   unsigned long arg)
 {
-        int ret = -ENOIOCTLCMD;
+        int ret = -ENOTTY;
         int time;
 
         switch (cmd) {