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Subject[PATCH] s390 (4/5): lcs network driver.
Date
* Cannot free net_device in lcs_stop_device as you want the user
to start network when doing ifconfig up and not oopsing the kernel.
* Receiving a LGW initiated stoplan first try to reset the card, stop it when
reset fails

diff -urN linux-2.5.63/drivers/s390/net/lcs.c linux-2.5.63-s390/drivers/s390/net/lcs.c
--- linux-2.5.63/drivers/s390/net/lcs.c Mon Feb 24 20:05:09 2003
+++ linux-2.5.63-s390/drivers/s390/net/lcs.c Mon Mar 3 18:26:28 2003
@@ -11,7 +11,7 @@
* Frank Pavlic (pavlic@de.ibm.com) and
* Martin Schwidefsky <schwidefsky@de.ibm.com>
*
- * $Revision: 1.44 $ $Date: 2003/02/18 19:49:02 $
+ * $Revision: 1.45 $ $Date: 2003/02/26 09:06:37 $
*
* 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
@@ -59,7 +59,7 @@
/**
* initialization string for output
*/
-#define VERSION_LCS_C "$Revision: 1.44 $"
+#define VERSION_LCS_C "$Revision: 1.45 $"

static char version[] __initdata = "LCS driver ("VERSION_LCS_C "/" VERSION_LCS_H ")";

@@ -358,6 +358,7 @@
kfree(ipm_list);
}
#endif
+ kfree(card->dev);
/* Cleanup channels. */
lcs_cleanup_channel(&card->write);
lcs_cleanup_channel(&card->read);
@@ -1434,6 +1435,7 @@
lcs_lgw_stoplan_thread(void *data)
{
struct lcs_card *card;
+ int rc;

card = (struct lcs_card *) data;
daemonize("lgwstop");
@@ -1446,7 +1448,11 @@
else
PRINT_ERR("Stoplan %s initiated by LGW failed!\n",
card->dev->name);
- return 0;
+ /*Try to reset the card, stop it on failure */
+ rc = lcs_resetcard(card);
+ if (rc != 0)
+ rc = lcs_stopcard(card);
+ return rc;
}

/**
@@ -1599,8 +1605,6 @@
LCS_DBF_TEXT(2, trace, "stopdev");
card = (struct lcs_card *) dev->priv;
netif_stop_queue(dev);
- // FIXME: really free the net_device here ?!?
- kfree(card->dev);
rc = lcs_stopcard(card);
if (rc)
PRINT_ERR("Try it again!\n ");
-
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