Merge git://git.infradead.org/users/willy/linux-nvme

[~andy/linux] / ipc / compat.c

diff --git a/ipc/compat.c b/ipc/compat.c
index a6df704f521e01f628def526e97b38cca92bb3ed..ad9518eb26e06e648c6044b95de41d39e9b076d0 100644 (file)
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -118,7 +118,7 @@ extern int sem_ctls[];
 
 static inline int compat_ipc_parse_version(int *cmd)
 {
-#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
+#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
        int version = *cmd & IPC_64;
 
        /* this is tricky: architectures that have support for the old
@@ -373,21 +373,21 @@ long compat_sys_semctl(int semid, int semnum, int cmd, int arg)
 }
 
 long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp,
-                      size_t msgsz, int msgflg)
+                      compat_ssize_t msgsz, int msgflg)
 {
        compat_long_t mtype;
 
        if (get_user(mtype, &msgp->mtype))
                return -EFAULT;
-       return do_msgsnd(msqid, mtype, msgp->mtext, msgsz, msgflg);
+       return do_msgsnd(msqid, mtype, msgp->mtext, (ssize_t)msgsz, msgflg);
 }
 
 long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp,
-                      size_t msgsz, long msgtyp, int msgflg)
+                      compat_ssize_t msgsz, long msgtyp, int msgflg)
 {
        long err, mtype;
 
-       err =  do_msgrcv(msqid, &mtype, msgp->mtext, msgsz, msgtyp, msgflg);
+       err =  do_msgrcv(msqid, &mtype, msgp->mtext, (ssize_t)msgsz, msgtyp, msgflg);
        if (err < 0)
                goto out;
 
@@ -514,6 +514,10 @@ long compat_sys_msgctl(int first, int second, void __user *uptr)
        return err;
 }
 
+#ifndef COMPAT_SHMLBA
+#define COMPAT_SHMLBA  SHMLBA
+#endif
+
 #ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
 long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
                        void __user *uptr)
@@ -524,7 +528,7 @@ long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
 
        if (version == 1)
                return -EINVAL;
-       err = do_shmat(first, uptr, second, &raddr);
+       err = do_shmat(first, uptr, second, &raddr, COMPAT_SHMLBA);
        if (err < 0)
                return err;
        uaddr = compat_ptr(third);
@@ -536,7 +540,7 @@ long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg)
        unsigned long ret;
        long err;
 
-       err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret);
+       err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret, COMPAT_SHMLBA);
        if (err)
                return err;
        force_successful_syscall_return();