diff options
Diffstat (limited to 'ipc/compat.c')
| -rw-r--r-- | ipc/compat.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/ipc/compat.c b/ipc/compat.c index 00c2e3beccc8..0586687c3e31 100644 --- a/ipc/compat.c +++ b/ipc/compat.c @@ -34,11 +34,6 @@ #include "util.h" -struct compat_msgbuf { - compat_long_t mtype; - char mtext[1]; -}; - int get_compat_ipc64_perm(struct ipc64_perm *to, struct compat_ipc64_perm __user *from) { @@ -85,38 +80,6 @@ void to_compat_ipc_perm(struct compat_ipc_perm *to, struct ipc64_perm *from) to->seq = from->seq; } -static long compat_do_msg_fill(void __user *dest, struct msg_msg *msg, size_t bufsz) -{ - struct compat_msgbuf __user *msgp = dest; - size_t msgsz; - - if (put_user(msg->m_type, &msgp->mtype)) - return -EFAULT; - - msgsz = (bufsz > msg->m_ts) ? msg->m_ts : bufsz; - if (store_msg(msgp->mtext, msg, msgsz)) - return -EFAULT; - return msgsz; -} - -COMPAT_SYSCALL_DEFINE4(msgsnd, int, msqid, compat_uptr_t, msgp, - compat_ssize_t, msgsz, int, msgflg) -{ - struct compat_msgbuf __user *up = compat_ptr(msgp); - compat_long_t mtype; - - if (get_user(mtype, &up->mtype)) - return -EFAULT; - return do_msgsnd(msqid, mtype, up->mtext, (ssize_t)msgsz, msgflg); -} - -COMPAT_SYSCALL_DEFINE5(msgrcv, int, msqid, compat_uptr_t, msgp, - compat_ssize_t, msgsz, compat_long_t, msgtyp, int, msgflg) -{ - return do_msgrcv(msqid, compat_ptr(msgp), (ssize_t)msgsz, (long)msgtyp, - msgflg, compat_do_msg_fill); -} - #ifndef COMPAT_SHMLBA #define COMPAT_SHMLBA SHMLBA #endif |