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authorPetr Vandrovec <petr@vandrovec.name>2006-03-27 23:39:31 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-28 17:02:43 -0800
commitf6c90b71a355a0a4a22e1cfee5748617adc25a53 (patch)
tree2fdbe51a57e25a781128ce4a8c85375201221ded /net/irda
parentf1465f7ea9e7aecba8e41d4aac9240f9b7fe2e24 (diff)
[NET]: Fix ipx/econet/appletalk/irda ioctl crashes
Fix kernel oopses whenever somebody issues compatible ioctl on AppleTalk, Econet, IPX or IRDA socket. For AppleTalk/Econet/IRDA it restores state in which these sockets were before compat_ioctl was introduced to the socket ops, for IPX it implements support for 4 ioctls which were not implemented before - as these ioctls use structures which match between 32bit and 64bit userspace, no special code is needed, just call 64bit ioctl handler. Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda')
-rw-r--r--net/irda/af_irda.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 627b11342233..2f37c9f35e27 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1830,6 +1830,19 @@ static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
return 0;
}
+#ifdef CONFIG_COMPAT
+/*
+ * Function irda_ioctl (sock, cmd, arg)
+ */
+static int irda_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ /*
+ * All IRDA's ioctl are standard ones.
+ */
+ return -ENOIOCTLCMD;
+}
+#endif
+
/*
* Function irda_setsockopt (sock, level, optname, optval, optlen)
*
@@ -2476,6 +2489,9 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_stream_ops) = {
.getname = irda_getname,
.poll = irda_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
@@ -2497,6 +2513,9 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
@@ -2518,6 +2537,9 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
@@ -2540,6 +2562,9 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = sock_no_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,