ibm_newemac: Don't call dev_mc_add() before device is registered

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From: Linux Kernel Mailing List
Date: Thursday, August 28, 2008 - 1:00 pm

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e82965...
Commit:     e8296582783a9f3bf75dbeb98dfdae15fd45c008
Parent:     ab9399059bb85a94758f42fb25607e440e926cc6
Author:     Benjamin Herrenschmidt <benh@kernel.crashing.org>
AuthorDate: Mon Aug 18 07:29:23 2008 +1000
Committer:  Jeff Garzik <jgarzik@redhat.com>
CommitDate: Wed Aug 27 05:55:24 2008 -0400

    ibm_newemac: Don't call dev_mc_add() before device is registered
    
    We must not call dev_mc_add() from within our HW configure which happens
    before we initialize and register the netdev. Do it in open() instead.
    
    Thanks to Sebastian Siewior for tracking it down.
    
    Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/ibm_newemac/core.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 2e720f2..ccd9d90 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -663,9 +663,6 @@ static int emac_configure(struct emac_instance *dev)
 	if (emac_phy_gpcs(dev->phy.mode))
 		emac_mii_reset_phy(&dev->phy);
 
-	/* Required for Pause packet support in EMAC */
-	dev_mc_add(ndev, default_mcast_addr, sizeof(default_mcast_addr), 1);
-
 	return 0;
 }
 
@@ -1150,6 +1147,9 @@ static int emac_open(struct net_device *ndev)
 	} else
 		netif_carrier_on(dev->ndev);
 
+	/* Required for Pause packet support in EMAC */
+	dev_mc_add(ndev, default_mcast_addr, sizeof(default_mcast_addr), 1);
+
 	emac_configure(dev);
 	mal_poll_add(dev->mal, &dev->commac);
 	mal_enable_tx_channel(dev->mal, dev->mal_tx_chan);
--
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ibm_newemac: Don't call dev_mc_add() before device is regi ..., Linux Kernel Mailing ..., (Thu Aug 28, 1:00 pm)