hamradio/mkiss: fix typo in compat_ioctl

My last commit introduced an typo causing the
compat_ioctl function to do nothing useful.
The obvious way for an ioctl function to work
is to look at the command, not the argument first.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index fc9c57893f8a..7db0a1c3216c 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -903,7 +903,7 @@ static int mkiss_ioctl(struct tty_struct *tty, struct file *file,
 static long mkiss_compat_ioctl(struct tty_struct *tty, struct file *file,
         unsigned int cmd, unsigned long arg)
 {
-        switch (arg) {
+        switch (cmd) {
         case SIOCGIFNAME:
         case SIOCGIFENCAP:
         case SIOCSIFENCAP: