From 90d33f3ec519db19d785216299a4ee85ef58ec97 Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Fri, 11 Oct 2013 17:27:16 -0700 Subject: [PATCH] Drivers: hv: vmbus: Fix a bug in channel rescind code Rescind of subchannels were not being correctly handled. Fix the bug. Signed-off-by: K. Y. Srinivasan Cc: [3.11+] Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel_mgmt.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index bbff5f200bef..eebf56634ed5 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -203,7 +203,8 @@ static void vmbus_process_rescind_offer(struct work_struct *work) struct vmbus_channel *primary_channel; struct vmbus_channel_relid_released msg; - vmbus_device_unregister(channel->device_obj); + if (channel->device_obj) + vmbus_device_unregister(channel->device_obj); memset(&msg, 0, sizeof(struct vmbus_channel_relid_released)); msg.child_relid = channel->offermsg.child_relid; msg.header.msgtype = CHANNELMSG_RELID_RELEASED; @@ -213,11 +214,6 @@ static void vmbus_process_rescind_offer(struct work_struct *work) spin_lock_irqsave(&vmbus_connection.channel_lock, flags); list_del(&channel->listentry); spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags); - } else { - primary_channel = channel->primary_channel; - spin_lock_irqsave(&primary_channel->sc_lock, flags); - list_del(&channel->listentry); - spin_unlock_irqrestore(&primary_channel->sc_lock, flags); } free_channel(channel); }