diff options
Diffstat (limited to 'net/bluetooth/cmtp/sock.c')
| -rw-r--r-- | net/bluetooth/cmtp/sock.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c index 10ad7fd91d83..53295d33dc5c 100644 --- a/net/bluetooth/cmtp/sock.c +++ b/net/bluetooth/cmtp/sock.c @@ -34,6 +34,7 @@ #include <linux/socket.h> #include <linux/ioctl.h> #include <linux/file.h> +#include <linux/compat.h> #include <net/sock.h> #include <linux/isdn/capilli.h> @@ -137,11 +138,43 @@ static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long return -EINVAL; } +#ifdef CONFIG_COMPAT +static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + if (cmd == CMTPGETCONNLIST) { + struct cmtp_connlist_req cl; + uint32_t uci; + int err; + + if (get_user(cl.cnum, (uint32_t __user *) arg) || + get_user(uci, (u32 __user *) (arg + 4))) + return -EFAULT; + + cl.ci = compat_ptr(uci); + + if (cl.cnum <= 0) + return -EINVAL; + + err = cmtp_get_connlist(&cl); + + if (!err && put_user(cl.cnum, (uint32_t __user *) arg)) + err = -EFAULT; + + return err; + } + + return cmtp_sock_ioctl(sock, cmd, arg); +} +#endif + static const struct proto_ops cmtp_sock_ops = { .family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = cmtp_sock_release, .ioctl = cmtp_sock_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = cmtp_sock_compat_ioctl, +#endif .bind = sock_no_bind, .getname = sock_no_getname, .sendmsg = sock_no_sendmsg, @@ -172,7 +205,7 @@ static int cmtp_sock_create(struct socket *sock, int protocol) if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; - sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, &cmtp_proto, 1); + sk = sk_alloc(PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto, 1); if (!sk) return -ENOMEM; |