linux-kernel - [PATCH] Drivers: hv: vmbus: fix build warning

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Message-Id: <1449823991-9867-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Fri, 11 Dec 2015 14:23:11 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Cc:	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] Drivers: hv: vmbus: fix build warning

We were getting build warning about unused variable "tsc_msr" and
"va_tsc" while building for i386 allmodconfig.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
build warning with next-20151211 and build log is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/96209206
---

 drivers/hv/hv.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 6341be8..ad7fc6d 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -192,9 +192,7 @@ int hv_init(void)
 {
 	int max_leaf;
 	union hv_x64_msr_hypercall_contents hypercall_msr;
-	union hv_x64_msr_hypercall_contents tsc_msr;
 	void *virtaddr = NULL;
-	void *va_tsc = NULL;
 
 	memset(hv_context.synic_event_page, 0, sizeof(void *) * NR_CPUS);
 	memset(hv_context.synic_message_page, 0,
@@ -240,6 +238,9 @@ int hv_init(void)
 
 #ifdef CONFIG_X86_64
 	if (ms_hyperv.features & HV_X64_MSR_REFERENCE_TSC_AVAILABLE) {
+		union hv_x64_msr_hypercall_contents tsc_msr;
+		void *va_tsc;
+
 		va_tsc = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL);
 		if (!va_tsc)
 			goto cleanup;
-- 
1.9.1

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