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cifs: Fix oops due to uncleared server->smbd_conn in reconnect 

commit b7ab9161cf upstream.

In smbd_destroy(), clear the server->smbd_conn pointer after freeing the
smbd_connection struct that it points to so that reconnection doesn't get
confused.

Fixes: 8ef130f9ec ("CIFS: SMBD: Implement function to destroy a SMB Direct connection")
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Long Li <longli@microsoft.com>
Cc: Pavel Shilovsky <piastryyy@gmail.com>
Cc: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Howells 2023-01-25 14:02:13 +00:00 committed by Greg Kroah-Hartman
parent f9575ea163
commit 5109607a4e
1 changed files with 1 additions and 0 deletions
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fs/cifs/smbdirect.c
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@ -1405,6 +1405,7 @@ void smbd_destroy(struct TCP_Server_Info *server)
destroy_workqueue(info->workqueue);
log_rdma_event(INFO, "rdma session destroyed\n");
kfree(info);
server->smbd_conn = NULL;
}
/*