diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/scm.h | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/include/net/scm.h b/include/net/scm.h index d456fc41b8bf..c5bcdf65f55c 100644 --- a/include/net/scm.h +++ b/include/net/scm.h @@ -153,8 +153,8 @@ static __inline__ void scm_pidfd_recv(struct msghdr *msg, struct scm_cookie *scm fd_install(pidfd, pidfd_file); } -static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg, - struct scm_cookie *scm, int flags) +static inline bool __scm_recv_common(struct socket *sock, struct msghdr *msg, + struct scm_cookie *scm, int flags) { if (!msg->msg_control) { if (test_bit(SOCK_PASSCRED, &sock->flags) || @@ -162,7 +162,7 @@ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg, scm->fp || scm_has_secdata(sock)) msg->msg_flags |= MSG_CTRUNC; scm_destroy(scm); - return; + return false; } if (test_bit(SOCK_PASSCRED, &sock->flags)) { @@ -175,19 +175,34 @@ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg, put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(ucreds), &ucreds); } - if (test_bit(SOCK_PASSPIDFD, &sock->flags)) - scm_pidfd_recv(msg, scm); + scm_passec(sock, msg, scm); - scm_destroy_cred(scm); + if (scm->fp) + scm_detach_fds(msg, scm); - scm_passec(sock, msg, scm); + return true; +} - if (!scm->fp) +static inline void scm_recv(struct socket *sock, struct msghdr *msg, + struct scm_cookie *scm, int flags) +{ + if (!__scm_recv_common(sock, msg, scm, flags)) return; - - scm_detach_fds(msg, scm); + + scm_destroy_cred(scm); } +static inline void scm_recv_unix(struct socket *sock, struct msghdr *msg, + struct scm_cookie *scm, int flags) +{ + if (!__scm_recv_common(sock, msg, scm, flags)) + return; + + if (test_bit(SOCK_PASSPIDFD, &sock->flags)) + scm_pidfd_recv(msg, scm); + + scm_destroy_cred(scm); +} #endif /* __LINUX_NET_SCM_H */ |