[PATCH] intel_th: msu: Fix unused variable warning on arm64 platform

[Shaokun Zhang]

Fix this compiler warning on arm64 platform.

Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Shaokun Zhang <zhangshao...@hisilicon.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