[patch 27/47] tun: Add some missing TUN compat ioctl translations.

[Greg KH]

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: David S. Miller <davem@xxxxxxxxxxxxx>

[ Upstream commit df1c46b2b6876d0a1b1b4740f009fa69d95ebbc9 ]

Based upon a report from Michael Tokarev <mjt@xxxxxxxxxx>:

	Just saw in dmesg:

	ioctl32(kvm:4408): Unknown cmd fd(9) cmd(800454cf){t:'T';sz:4} arg(ffc668e4) on /dev/net/tun

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 fs/compat_ioctl.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -538,6 +538,7 @@ static int dev_ifsioc(unsigned int fd, u
 		 * cannot be fixed without breaking all existing apps.
 		 */
 		case TUNSETIFF:
+		case TUNGETIFF:
 		case SIOCGIFFLAGS:
 		case SIOCGIFMETRIC:
 		case SIOCGIFMTU:
@@ -1982,6 +1983,11 @@ COMPATIBLE_IOCTL(TUNSETNOCSUM)
 COMPATIBLE_IOCTL(TUNSETDEBUG)
 COMPATIBLE_IOCTL(TUNSETPERSIST)
 COMPATIBLE_IOCTL(TUNSETOWNER)
+COMPATIBLE_IOCTL(TUNSETLINK)
+COMPATIBLE_IOCTL(TUNSETGROUP)
+COMPATIBLE_IOCTL(TUNGETFEATURES)
+COMPATIBLE_IOCTL(TUNSETOFFLOAD)
+COMPATIBLE_IOCTL(TUNSETTXFILTER)
 /* Big V */
 COMPATIBLE_IOCTL(VT_SETMODE)
 COMPATIBLE_IOCTL(VT_GETMODE)
@@ -2573,6 +2579,7 @@ HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
+HANDLE_IOCTL(TUNGETIFF, dev_ifsioc)
 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)

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