diff options
Diffstat (limited to 'net/nfc')
| -rw-r--r-- | net/nfc/llcp_commands.c | 4 | ||||
| -rw-r--r-- | net/nfc/llcp_sock.c | 6 | ||||
| -rw-r--r-- | net/nfc/nci/uart.c | 9 |
3 files changed, 9 insertions, 10 deletions
diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c index 3621a902c..3425532c3 100644 --- a/net/nfc/llcp_commands.c +++ b/net/nfc/llcp_commands.c @@ -663,7 +663,7 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock, return -ENOBUFS; } - msg_data = kzalloc(len, GFP_KERNEL); + msg_data = kmalloc(len, GFP_USER | __GFP_NOWARN); if (msg_data == NULL) return -ENOMEM; @@ -729,7 +729,7 @@ int nfc_llcp_send_ui_frame(struct nfc_llcp_sock *sock, u8 ssap, u8 dsap, if (local == NULL) return -ENODEV; - msg_data = kzalloc(len, GFP_KERNEL); + msg_data = kmalloc(len, GFP_USER | __GFP_NOWARN); if (msg_data == NULL) return -ENOMEM; diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index ecf0a0196..b9edf5fae 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -509,6 +509,11 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *uaddr, memset(llcp_addr, 0, sizeof(*llcp_addr)); *len = sizeof(struct sockaddr_nfc_llcp); + lock_sock(sk); + if (!llcp_sock->dev) { + release_sock(sk); + return -EBADFD; + } llcp_addr->sa_family = AF_NFC; llcp_addr->dev_idx = llcp_sock->dev->idx; llcp_addr->target_idx = llcp_sock->target_idx; @@ -518,6 +523,7 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *uaddr, llcp_addr->service_name_len = llcp_sock->service_name_len; memcpy(llcp_addr->service_name, llcp_sock->service_name, llcp_addr->service_name_len); + release_sock(sk); return 0; } diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c index 21d887567..c468eabd6 100644 --- a/net/nfc/nci/uart.c +++ b/net/nfc/nci/uart.c @@ -171,14 +171,7 @@ static int nci_uart_tty_open(struct tty_struct *tty) tty->disc_data = NULL; tty->receive_room = 65536; - /* Flush any pending characters in the driver and line discipline. */ - - /* FIXME: why is this needed. Note don't use ldisc_ref here as the - * open path is before the ldisc is referencable. - */ - - if (tty->ldisc->ops->flush_buffer) - tty->ldisc->ops->flush_buffer(tty); + /* Flush any pending characters in the driver */ tty_driver_flush_buffer(tty); return 0; |