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https://github.com/linuxkit/linuxkit.git
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5d88623faf
In order to enable Hyper-V sockets, the CONFIG_HYPERV_VSOCKETS
option must be set. This is different to the older kernel patches.
In order for the Hyper-V socket code to compile, f3dd3f4797652c311df
("vmbus: introduce in-place packet iterator") needed cherry-picking.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
63 lines
1.9 KiB
Diff
63 lines
1.9 KiB
Diff
From dc0bd14f20b08b4bec097949ad0d4ec421d75ebf Mon Sep 17 00:00:00 2001
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From: Dexuan Cui <decui@microsoft.com>
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Date: Fri, 5 May 2017 16:57:20 -0600
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Subject: [PATCH 4/8] vmbus: remove "goto error_clean_msglist" in vmbus_open()
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This is just a cleanup patch to simplify the code a little.
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No semantic change.
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Signed-off-by: Dexuan Cui <decui@microsoft.com>
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Cc: K. Y. Srinivasan <kys@microsoft.com>
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Cc: Haiyang Zhang <haiyangz@microsoft.com>
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Cc: Stephen Hemminger <sthemmin@microsoft.com>
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Origin: git@github.com:dcui/linux.git
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(cherry picked from commit 2deba76a449075c5a05bd572bfdee660f710b207)
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---
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drivers/hv/channel.c | 18 +++++++-----------
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1 file changed, 7 insertions(+), 11 deletions(-)
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diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
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index 7cd2bd9fd1f1..db5e6f8730d2 100644
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--- a/drivers/hv/channel.c
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+++ b/drivers/hv/channel.c
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@@ -180,17 +180,18 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
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ret = vmbus_post_msg(open_msg,
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sizeof(struct vmbus_channel_open_channel), true);
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- if (ret != 0) {
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- err = ret;
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- goto error_clean_msglist;
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- }
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-
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- wait_for_completion(&open_info->waitevent);
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+ if (ret == 0)
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+ wait_for_completion(&open_info->waitevent);
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spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
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list_del(&open_info->msglistentry);
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spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
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+ if (ret != 0) {
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+ err = ret;
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+ goto error_free_gpadl;
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+ }
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+
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if (newchannel->rescind) {
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err = -ENODEV;
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goto error_free_gpadl;
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@@ -205,11 +206,6 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
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kfree(open_info);
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return 0;
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-error_clean_msglist:
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- spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
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- list_del(&open_info->msglistentry);
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- spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
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-
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error_free_gpadl:
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vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);
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kfree(open_info);
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--
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2.12.2
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