To use this driver with 32 bit userspace applications on 64 bit
kernels a compat_ioctl is needed.
Signed-off-by: Lars Poeschel <[email protected]>
---
drivers/tty/n_gsm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 2afe5fce68e3..0a3c9665e015 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2607,6 +2607,14 @@ static int gsmld_ioctl(struct tty_struct *tty, struct file *file,
}
}
+#ifdef CONFIG_COMPAT
+static long gsmld_compat_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return gsmld_ioctl(tty, file, cmd, arg);
+}
+#endif
+
/*
* Network interface
*
@@ -2818,6 +2826,9 @@ static struct tty_ldisc_ops tty_ldisc_packet = {
.flush_buffer = gsmld_flush_buffer,
.read = gsmld_read,
.write = gsmld_write,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = gsmld_compat_ioctl,
+#endif
.ioctl = gsmld_ioctl,
.poll = gsmld_poll,
.receive_buf = gsmld_receive_buf,
--
2.13.2