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compat_ioctl: move rfcomm handlers into driver 

All these ioctl commands are compatible, so we can handle
them with a trivial wrapper in rfcomm/sock.c and remove
the listing in fs/compat_ioctl.c.

Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-03-14 13:44:52 +01:00
parent 5565a3cac5
commit 7d60a7a6cd
2 changed files with 12 additions and 8 deletions
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6
fs/compat_ioctl.c
View File

@ -42,7 +42,6 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_sock.h>
#include <net/bluetooth/rfcomm.h>
#ifdef CONFIG_BLOCK
#include <linux/cdrom.h>
@ -673,11 +672,6 @@ COMPATIBLE_IOCTL(HCIUARTGETPROTO)
COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
/* Misc. */
COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)

14
net/bluetooth/rfcomm/sock.c
View File

@ -24,7 +24,7 @@
/*
* RFCOMM sockets.
*/
#include <linux/compat.h>
#include <linux/export.h>
#include <linux/debugfs.h>
#include <linux/sched/signal.h>
@ -909,6 +909,13 @@ static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned lon
return err;
}
#ifdef CONFIG_COMPAT
static int rfcomm_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
return rfcomm_sock_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
}
#endif
static int rfcomm_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
@ -1042,7 +1049,10 @@ static const struct proto_ops rfcomm_sock_ops = {
.gettstamp = sock_gettstamp,
.poll = bt_sock_poll,
.socketpair = sock_no_socketpair,
.mmap = sock_no_mmap
.mmap = sock_no_mmap,
#ifdef CONFIG_COMPAT
.compat_ioctl = rfcomm_sock_compat_ioctl,
#endif
};
static const struct net_proto_family rfcomm_sock_family_ops = {