From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Pavlic Subject: [patch 4/7] s390: some more qeth fixes Date: Thu, 10 Nov 2005 13:50:58 +0100 Message-ID: <20051110125058.GD7936@pavlic> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: To: jgarzik@pobox.com Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org [patch 4/7] s390: some more qeth fixes From: Frank Pavlic From: Peter Tiedemann - possible race on list fixed by reset list processing after every operation - traffic hang fixed Signed-off-by: Frank Pavlic diffstat: qeth_main.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff -Naupr orig/drivers/s390/net/qeth_main.c patched-linux/drivers/s390/net/qeth_main.c --- orig/drivers/s390/net/qeth_main.c 2005-11-09 20:37:03.000000000 +0100 +++ patched-linux/drivers/s390/net/qeth_main.c 2005-11-09 20:38:23.000000000 +0100 @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.236 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.238 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -12,7 +12,7 @@ * Frank Pavlic (pavlic@de.ibm.com) and * Thomas Spatzier * - * $Revision: 1.236 $ $Date: 2005/05/04 20:19:18 $ + * $Revision: 1.238 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,7 +72,7 @@ #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.236 $" +#define VERSION_QETH_C "$Revision: 1.238 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -799,7 +799,7 @@ __qeth_delete_all_mc(struct qeth_card *c { struct qeth_ipaddr *addr, *tmp; int rc; - +again: list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { if (addr->is_multicast) { spin_unlock_irqrestore(&card->ip_lock, *flags); @@ -808,6 +808,7 @@ __qeth_delete_all_mc(struct qeth_card *c if (!rc) { list_del(&addr->entry); kfree(addr); + goto again; } } } @@ -4336,6 +4337,8 @@ qeth_do_send_packet(struct qeth_card *ca out: if (flush_count) qeth_flush_buffers(queue, 0, start_index, flush_count); + else if (!atomic_read(&queue->set_pci_flags_count)) + atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); /* * queue->state will go from LOCKED -> UNLOCKED or from * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us