ctcm: avoid crash in ctcm_remove_device
Channels are already removed when setting a ctcm-device offline. Thus ctcm_remove_device must not refer to channel information. Solution: delete channel information from the trace call in ctcm_remove_device. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 4 deletions
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@ -1677,10 +1677,8 @@ static void ctcm_remove_device(struct ccwgroup_device *cgdev)
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BUG_ON(priv == NULL);
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CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO,
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"removing device %s, r/w = %s/%s, proto : %d",
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priv->channel[READ]->netdev->name,
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priv->channel[READ]->id, priv->channel[WRITE]->id,
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priv->protocol);
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"removing device %p, proto : %d",
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cgdev, priv->protocol);
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if (cgdev->state == CCWGROUP_ONLINE)
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ctcm_shutdown_device(cgdev);
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