cifs: protect updating server->dstaddr with a spinlock
We use a spinlock while we are reading and accessing the destination address for a server. We need to also use this spinlock to protect when we are modifying this address from reconn_set_ipaddr(). Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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@ -375,8 +375,10 @@ static int reconn_set_ipaddr(struct TCP_Server_Info *server)
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return rc;
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}
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spin_lock(&cifs_tcp_ses_lock);
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rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr,
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strlen(ipaddr));
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spin_unlock(&cifs_tcp_ses_lock);
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kfree(ipaddr);
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return !rc ? -1 : 0;
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