diff options
Diffstat (limited to 'sys/i386/linux/linux_machdep.c')
| -rw-r--r-- | sys/i386/linux/linux_machdep.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c index e3b2e7d54e1bc..0753986182b49 100644 --- a/sys/i386/linux/linux_machdep.c +++ b/sys/i386/linux/linux_machdep.c @@ -133,7 +133,7 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) struct linux_semop_args a; a.semid = args->arg1; - a.tsops = args->ptr; + a.tsops = PTRIN(args->ptr); a.nsops = args->arg2; return (linux_semop(td, &a)); } @@ -152,7 +152,7 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) a.semid = args->arg1; a.semnum = args->arg2; a.cmd = args->arg3; - error = copyin(args->ptr, &a.arg, sizeof(a.arg)); + error = copyin(PTRIN(args->ptr), &a.arg, sizeof(a.arg)); if (error) return (error); return (linux_semctl(td, &a)); @@ -161,7 +161,7 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) struct linux_msgsnd_args a; a.msqid = args->arg1; - a.msgp = args->ptr; + a.msgp = PTRIN(args->ptr); a.msgsz = args->arg2; a.msgflg = args->arg3; return (linux_msgsnd(td, &a)); @@ -176,15 +176,15 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) struct l_ipc_kludge tmp; int error; - if (args->ptr == NULL) + if (args->ptr == 0) return (EINVAL); - error = copyin(args->ptr, &tmp, sizeof(tmp)); + error = copyin(PTRIN(args->ptr), &tmp, sizeof(tmp)); if (error) return (error); - a.msgp = tmp.msgp; + a.msgp = PTRIN(tmp.msgp); a.msgtyp = tmp.msgtyp; } else { - a.msgp = args->ptr; + a.msgp = PTRIN(args->ptr); a.msgtyp = args->arg5; } return (linux_msgrcv(td, &a)); @@ -201,22 +201,29 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) a.msqid = args->arg1; a.cmd = args->arg2; - a.buf = args->ptr; + a.buf = PTRIN(args->ptr); return (linux_msgctl(td, &a)); } case LINUX_SHMAT: { struct linux_shmat_args a; + l_uintptr_t addr; + int error; a.shmid = args->arg1; - a.shmaddr = args->ptr; + a.shmaddr = PTRIN(args->ptr); a.shmflg = args->arg2; - a.raddr = (l_ulong *)args->arg3; - return (linux_shmat(td, &a)); + error = linux_shmat(td, &a); + if (error != 0) + return (error); + addr = td->td_retval[0]; + error = copyout(&addr, PTRIN(args->arg3), sizeof(addr)); + td->td_retval[0] = 0; + return (error); } case LINUX_SHMDT: { struct linux_shmdt_args a; - a.shmaddr = args->ptr; + a.shmaddr = PTRIN(args->ptr); return (linux_shmdt(td, &a)); } case LINUX_SHMGET: { @@ -232,7 +239,7 @@ linux_ipc(struct thread *td, struct linux_ipc_args *args) a.shmid = args->arg1; a.cmd = args->arg2; - a.buf = args->ptr; + a.buf = PTRIN(args->ptr); return (linux_shmctl(td, &a)); } default: |