From 291fdb0bcebd5e8db6af767c1fdc522167dad73d Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Tue, 4 Mar 2014 12:39:03 +0100 Subject: ipc/compat_sys_msgrcv: change msgtyp type from long to compat_long_t Change the type of compat_sys_msgrcv's msgtyp parameter from long to compat_long_t, since compat user space passes only a 32 bit signed value. Let the compat wrapper do proper sign extension to 64 bit of this parameter. Signed-off-by: Heiko Carstens --- ipc/compat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'ipc') diff --git a/ipc/compat.c b/ipc/compat.c index f486b0096a67..e1f4ab65660c 100644 --- a/ipc/compat.c +++ b/ipc/compat.c @@ -430,9 +430,9 @@ COMPAT_SYSCALL_DEFINE4(msgsnd, int, msqid, compat_uptr_t, msgp, } COMPAT_SYSCALL_DEFINE5(msgrcv, int, msqid, compat_uptr_t, msgp, - compat_ssize_t, msgsz, long, msgtyp, int, msgflg) + compat_ssize_t, msgsz, compat_long_t, msgtyp, int, msgflg) { - return do_msgrcv(msqid, compat_ptr(msgp), (ssize_t)msgsz, msgtyp, + return do_msgrcv(msqid, compat_ptr(msgp), (ssize_t)msgsz, (long)msgtyp, msgflg, compat_do_msg_fill); } -- cgit