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aa9b718d8a
Added a new patch to the 4.11 and 4.9 kernels based on a patch submitted to stable: https://patchwork.kernel.org/patch/9829039/ This patch fixes a off-by-one error in the VMBus code. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From 32ec586052699938458ad07ac8dc50a168896b2e Mon Sep 17 00:00:00 2001
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From: "K. Y. Srinivasan" <kys@microsoft.com>
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Date: Mon, 14 Dec 2015 16:01:44 -0800
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Subject: [PATCH 18/44] Drivers: hv: vmbus: Use uuid_le_cmp() for comparing
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GUIDs
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Use uuid_le_cmp() for comparing GUIDs.
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Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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(cherry picked from commit 4ae9250893485f380275e7d5cb291df87c4d9710)
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---
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drivers/hv/channel_mgmt.c | 3 +--
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drivers/hv/vmbus_drv.c | 4 ++--
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2 files changed, 3 insertions(+), 4 deletions(-)
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diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
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index 339277b76468..9b4525c56376 100644
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--- a/drivers/hv/channel_mgmt.c
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+++ b/drivers/hv/channel_mgmt.c
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@@ -409,8 +409,7 @@ static void init_vp_index(struct vmbus_channel *channel, const uuid_le *type_gui
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struct cpumask *alloced_mask;
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for (i = IDE; i < MAX_PERF_CHN; i++) {
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- if (!memcmp(type_guid->b, &hp_devs[i].guid,
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- sizeof(uuid_le))) {
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+ if (!uuid_le_cmp(*type_guid, hp_devs[i].guid)) {
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perf_chn = true;
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break;
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}
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diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
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index f1fbb6b98f5c..e71f3561dbab 100644
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--- a/drivers/hv/vmbus_drv.c
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+++ b/drivers/hv/vmbus_drv.c
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@@ -535,7 +535,7 @@ static const uuid_le null_guid;
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static inline bool is_null_guid(const uuid_le *guid)
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{
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- if (memcmp(guid, &null_guid, sizeof(uuid_le)))
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+ if (uuid_le_cmp(*guid, null_guid))
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return false;
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return true;
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}
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@@ -549,7 +549,7 @@ static const struct hv_vmbus_device_id *hv_vmbus_get_id(
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const uuid_le *guid)
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{
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for (; !is_null_guid(&id->guid); id++)
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- if (!memcmp(&id->guid, guid, sizeof(uuid_le)))
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+ if (!uuid_le_cmp(id->guid, *guid))
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return id;
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return NULL;
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--
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2.13.0
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