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path: root/drivers/net/slip.c
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Diffstat (limited to 'drivers/net/slip.c')
-rw-r--r--drivers/net/slip.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index fe3cebb984de..ba5bbc503446 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -80,6 +80,7 @@
#include <linux/rtnetlink.h>
#include <linux/if_arp.h>
#include <linux/if_slip.h>
+#include <linux/compat.h>
#include <linux/delay.h>
#include <linux/init.h>
#include "slip.h"
@@ -955,8 +956,8 @@ static void slip_unesc(struct slip *sl, unsigned char s)
clear_bit(SLF_KEEPTEST, &sl->flags);
#endif
- if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
- && (sl->rcount > 2))
+ if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+ (sl->rcount > 2))
sl_bump(sl);
clear_bit(SLF_ESCAPE, &sl->flags);
sl->rcount = 0;
@@ -1038,8 +1039,8 @@ static void slip_unesc6(struct slip *sl, unsigned char s)
clear_bit(SLF_KEEPTEST, &sl->flags);
#endif
- if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
- && (sl->rcount > 2))
+ if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+ (sl->rcount > 2))
sl_bump(sl);
sl->rcount = 0;
sl->xbits = 0;
@@ -1169,6 +1170,27 @@ static int slip_ioctl(struct tty_struct *tty, struct file *file,
}
}
+#ifdef CONFIG_COMPAT
+static long slip_compat_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ switch (cmd) {
+ case SIOCGIFNAME:
+ case SIOCGIFENCAP:
+ case SIOCSIFENCAP:
+ case SIOCSIFHWADDR:
+ case SIOCSKEEPALIVE:
+ case SIOCGKEEPALIVE:
+ case SIOCSOUTFILL:
+ case SIOCGOUTFILL:
+ return slip_ioctl(tty, file, cmd,
+ (unsigned long)compat_ptr(arg));
+ }
+
+ return -ENOIOCTLCMD;
+}
+#endif
+
/* VSV changes start here */
#ifdef CONFIG_SLIP_SMART
/* function do_ioctl called from net/core/dev.c
@@ -1261,6 +1283,9 @@ static struct tty_ldisc_ops sl_ldisc = {
.close = slip_close,
.hangup = slip_hangup,
.ioctl = slip_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = slip_compat_ioctl,
+#endif
.receive_buf = slip_receive_buf,
.write_wakeup = slip_write_wakeup,
};