diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /net/nfc/llcp_sock.c | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'net/nfc/llcp_sock.c')
| -rw-r--r-- | net/nfc/llcp_sock.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; } |