Patch "cifs: force interface update before a fresh session setup" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    cifs: force interface update before a fresh session setup

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cifs-force-interface-update-before-a-fresh-session-setup.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From d9a6d78096056a3cb5c5f07a730ab92f2f9ac4e6 Mon Sep 17 00:00:00 2001
From: Shyam Prasad N <sprasad@xxxxxxxxxxxxx>
Date: Mon, 30 Oct 2023 11:00:11 +0000
Subject: cifs: force interface update before a fresh session setup

From: Shyam Prasad N <sprasad@xxxxxxxxxxxxx>

commit d9a6d78096056a3cb5c5f07a730ab92f2f9ac4e6 upstream.

During a session reconnect, it is possible that the
server moved to another physical server (happens in case
of Azure files). So at this time, force a query of server
interfaces again (in case of multichannel session), such
that the secondary channels connect to the right
IP addresses (possibly updated now).

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/smb/client/connect.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -4205,8 +4205,12 @@ cifs_setup_session(const unsigned int xi
 	is_binding = !CIFS_ALL_CHANS_NEED_RECONNECT(ses);
 	spin_unlock(&ses->chan_lock);
 
-	if (!is_binding)
+	if (!is_binding) {
 		ses->ses_status = SES_IN_SETUP;
+
+		/* force iface_list refresh */
+		ses->iface_last_update = 0;
+	}
 	spin_unlock(&ses->ses_lock);
 
 	/* update ses ip_addr only for primary chan */


Patches currently in stable-queue which might be from sprasad@xxxxxxxxxxxxx are

queue-6.1/cifs-reconnect-helper-should-set-reconnect-for-the-right-channel.patch
queue-6.1/cifs-do-not-reset-chan_max-if-multichannel-is-not-supported-at-mount.patch
queue-6.1/cifs-force-interface-update-before-a-fresh-session-setup.patch



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