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Date:   Mon, 20 May 2019 11:23:20 +0800
From:   Shaokun Zhang <zhangshaokun@...ilicon.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] intel_th: msu: Fix unused variable warning on arm64 platform

Fix this compiler warning on arm64 platform.

Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@...ilicon.com>
---
 drivers/hwtracing/intel_th/msu.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 81bb54fa3ce8..e15ed5c308e1 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -780,7 +780,7 @@ static int __msc_buffer_win_alloc(struct msc_window *win,
 static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks)
 {
 	struct msc_window *win;
-	int ret = -ENOMEM, i;
+	int ret = -ENOMEM;
 
 	if (!nr_blocks)
 		return 0;
@@ -812,7 +812,7 @@ static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks)
 		goto err_nomem;
 
 #ifdef CONFIG_X86
-	for (i = 0; i < ret; i++)
+	for (int i = 0; i < ret; i++)
 		/* Set the page as uncached */
 		set_memory_uc((unsigned long)msc_win_block(win, i), 1);
 #endif
@@ -860,8 +860,6 @@ static void __msc_buffer_win_free(struct msc *msc, struct msc_window *win)
  */
 static void msc_buffer_win_free(struct msc *msc, struct msc_window *win)
 {
-	int i;
-
 	msc->nr_pages -= win->nr_blocks;
 
 	list_del(&win->entry);
@@ -871,7 +869,7 @@ static void msc_buffer_win_free(struct msc *msc, struct msc_window *win)
 	}
 
 #ifdef CONFIG_X86
-	for (i = 0; i < win->nr_blocks; i++)
+	for (int i = 0; i < win->nr_blocks; i++)
 		/* Reset the page to write-back */
 		set_memory_wb((unsigned long)msc_win_block(win, i), 1);
 #endif
-- 
2.7.4

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