Re: [PATCH v6 08/10] IPC: message queue receive cleanup

This patch moves all message related manipulation into one function msg_fill().
Actually, two functions because of the compat one.

Signed-off-by: Stanislav Kinsbursky <redacted>
---
 include/linux/msg.h |    5 +++--
 ipc/compat.c        |   36 +++++++++++++++++++-----------------
 ipc/msg.c           |   44 +++++++++++++++++++++++---------------------
 3 files changed, 45 insertions(+), 40 deletions(-)

diff --git a/include/linux/msg.h b/include/linux/msg.h
index 7a4b9e9..f38edba 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h

@@ -34,7 +34,8 @@ struct msg_queue {
 /* Helper routines for sys_msgsnd and sys_msgrcv */
 extern long do_msgsnd(int msqid, long mtype, void __user *mtext,
 			size_t msgsz, int msgflg);
-extern long do_msgrcv(int msqid, long *pmtype, void __user *mtext,
-			size_t msgsz, long msgtyp, int msgflg);
+extern long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp,
+		      int msgflg,
+		      long (*msg_fill)(void __user *, struct msg_msg *, size_t ));
 
 #endif /* _LINUX_MSG_H */

diff --git a/ipc/compat.c b/ipc/compat.c
index 84d8efd..b879d50 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c

@@ -394,7 +395,8 @@ long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp,
 {
 	long err, mtype;
 
-	err =  do_msgrcv(msqid, &mtype, msgp->mtext, (ssize_t)msgsz, msgtyp, msgflg);
+	err =  do_msgrcv(msqid, &mtype, msgp->mtext, (ssize_t)msgsz, msgtyp,
+			 msgflg, compat_do_msg_fill);
 	if (err < 0)
 		goto out;