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path: root/drivers/net/wan/x25_asy.c
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Diffstat (limited to 'drivers/net/wan/x25_asy.c')
-rw-r--r--drivers/net/wan/x25_asy.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 27945049c9e1..b9f520b7db6a 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -33,6 +33,7 @@
#include <linux/lapb.h>
#include <linux/init.h>
#include <linux/rtnetlink.h>
+#include <linux/compat.h>
#include "x25_asy.h"
#include <net/x25device.h>
@@ -656,8 +657,8 @@ static void x25_asy_unesc(struct x25_asy *sl, unsigned char s)
switch (s) {
case X25_END:
- if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
- && sl->rcount > 2)
+ if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+ sl->rcount > 2)
x25_asy_bump(sl);
clear_bit(SLF_ESCAPE, &sl->flags);
sl->rcount = 0;
@@ -705,6 +706,21 @@ static int x25_asy_ioctl(struct tty_struct *tty, struct file *file,
}
}
+#ifdef CONFIG_COMPAT
+static long x25_asy_compat_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ switch (cmd) {
+ case SIOCGIFNAME:
+ case SIOCSIFHWADDR:
+ return x25_asy_ioctl(tty, file, cmd,
+ (unsigned long)compat_ptr(arg));
+ }
+
+ return -ENOIOCTLCMD;
+}
+#endif
+
static int x25_asy_open_dev(struct net_device *dev)
{
struct x25_asy *sl = netdev_priv(dev);
@@ -754,6 +770,9 @@ static struct tty_ldisc_ops x25_ldisc = {
.open = x25_asy_open_tty,
.close = x25_asy_close_tty,
.ioctl = x25_asy_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = x25_asy_compat_ioctl,
+#endif
.receive_buf = x25_asy_receive_buf,
.write_wakeup = x25_asy_write_wakeup,
};