[patch 4/7] s390: some more qeth fixes
From: Frank Pavlic <[EMAIL PROTECTED]>
From: Peter Tiedemann <[EMAIL PROTECTED]>
- possible race on list fixed by reset
list processing after every operation
- traffic hang fixed
Signed-off-by: Frank Pavlic <[EMAIL PROTECTED]>
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 ([EMAIL PROTECTED]) and
* Thomas Spatzier <[EMAIL PROTECTED]>
*
- * $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
-
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