| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.18 062/145] Drivers: hv: vmbus: Fix the offer_in_progress in vmbus_process_offer() | Date | Fri, 7 Sep 2018 23:08:48 +0200 |
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4.18-stable review patch. If anyone has any objections, please let me know.
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From: Dexuan Cui <decui@microsoft.com>
commit 50229128727f7e11840ca1b2b501f880818d56b6 upstream.
I didn't really hit a real bug, but just happened to spot the bug: we have decreased the counter at the beginning of vmbus_process_offer(), so we mustn't decrease it again.
Fixes: 6f3d791f3006 ("Drivers: hv: vmbus: Fix rescind handling issues") Signed-off-by: Dexuan Cui <decui@microsoft.com> Cc: stable@vger.kernel.org Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Stable <stable@vger.kernel.org> # 4.14 and above Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/hv/channel_mgmt.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -527,10 +527,8 @@ static void vmbus_process_offer(struct v struct hv_device *dev = newchannel->primary_channel->device_obj; - if (vmbus_add_channel_kobj(dev, newchannel)) { - atomic_dec(&vmbus_connection.offer_in_progress); + if (vmbus_add_channel_kobj(dev, newchannel)) goto err_free_chan; - } if (channel->sc_creation_callback != NULL) channel->sc_creation_callback(newchannel);
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