Re: [PATCH 2/3] cifs: make cifs_chan_update_iface() a void function

[Steve French]

added the trivial change Christophe Suggested


On Mon, Jan 8, 2024 at 1:09 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> Le 08/01/2024 à 10:08, Dan Carpenter a écrit :
> > The return values for cifs_chan_update_iface() didn't match what the
> > documentation said and nothing was checking them anyway.  Just make it
> > a void function.
> >
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> > ---
> >   fs/smb/client/cifsproto.h |  2 +-
> >   fs/smb/client/sess.c      | 17 +++++++----------
> >   2 files changed, 8 insertions(+), 11 deletions(-)
> >
> > diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
> > index afbab86331a1..a841bf4967fa 100644
> > --- a/fs/smb/client/cifsproto.h
> > +++ b/fs/smb/client/cifsproto.h
> > @@ -656,7 +656,7 @@ cifs_chan_is_iface_active(struct cifs_ses *ses,
> >                         struct TCP_Server_Info *server);
> >   void
> >   cifs_disable_secondary_channels(struct cifs_ses *ses);
> > -int
> > +void
> >   cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server);
> >   int
> >   SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_mount);
> > diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
> > index 775c6a4a2f4b..f7b216dd06b2 100644
> > --- a/fs/smb/client/sess.c
> > +++ b/fs/smb/client/sess.c
> > @@ -356,10 +356,9 @@ cifs_disable_secondary_channels(struct cifs_ses *ses)
> >
> >   /*
> >    * update the iface for the channel if necessary.
> > - * will return 0 when iface is updated, 1 if removed, 2 otherwise
> >    * Must be called with chan_lock held.
> >    */
> > -int
> > +void
> >   cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >   {
> >       unsigned int chan_index;
> > @@ -368,20 +367,19 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >       struct cifs_server_iface *old_iface = NULL;
> >       struct cifs_server_iface *last_iface = NULL;
> >       struct sockaddr_storage ss;
> > -     int rc = 0;
> >
> >       spin_lock(&ses->chan_lock);
> >       chan_index = cifs_ses_get_chan_index(ses, server);
> >       if (chan_index == CIFS_INVAL_CHAN_INDEX) {
> >               spin_unlock(&ses->chan_lock);
> > -             return 0;
> > +             return;
> >       }
> >
> >       if (ses->chans[chan_index].iface) {
> >               old_iface = ses->chans[chan_index].iface;
> >               if (old_iface->is_active) {
> >                       spin_unlock(&ses->chan_lock);
> > -                     return 1;
> > +                     return;
> >               }
> >       }
> >       spin_unlock(&ses->chan_lock);
> > @@ -394,7 +392,7 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >       if (!ses->iface_count) {
> >               spin_unlock(&ses->iface_lock);
> >               cifs_dbg(VFS, "server %s does not advertise interfaces\n", ses->server->hostname);
> > -             return 0;
> > +             return;
> >       }
> >
> >       last_iface = list_last_entry(&ses->iface_list, struct cifs_server_iface,
> > @@ -434,7 +432,6 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >       }
> >
> >       if (list_entry_is_head(iface, &ses->iface_list, iface_head)) {
> > -             rc = 1;
> >               iface = NULL;
> >               cifs_dbg(FYI, "unable to find a suitable iface\n");
> >       }
> > @@ -449,7 +446,7 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >               }
> >
> >               spin_unlock(&ses->iface_lock);
> > -             return 0;
> > +             return;
> >       }
> >
> >       /* now drop the ref to the current iface */
> > @@ -478,13 +475,13 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
> >       chan_index = cifs_ses_get_chan_index(ses, server);
> >       if (chan_index == CIFS_INVAL_CHAN_INDEX) {
> >               spin_unlock(&ses->chan_lock);
> > -             return 0;
> > +             return;
> >       }
> >
> >       ses->chans[chan_index].iface = iface;
> >       spin_unlock(&ses->chan_lock);
> >
> > -     return rc;
> > +     return;
>
> just remove this one?
>
> CJ
>
> >   }
> >
> >   /*
>
>


-- 
Thanks,

Steve
From a3f763fdcb2f784c355aed66ddac6748ff8dbfa6 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@xxxxxxxxxxxxx>
Date: Mon, 8 Jan 2024 22:37:10 -0600
Subject: [PATCH 17/17] cifs: remove unneeded return statement

Return statement was not needed at end of cifs_chan_update_iface

Suggested-by: Christophe Jaillet <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
---
 fs/smb/client/sess.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index f7b216dd06b2..cde81042bebd 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -480,8 +480,6 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
 
 	ses->chans[chan_index].iface = iface;
 	spin_unlock(&ses->chan_lock);
-
-	return;
 }
 
 /*
-- 
2.40.1