From: YueHaibing <yuehaibing@huawei.com> mainline inclusion from mainline-v5.3-rc1 commit 9800db282dff675dd700d5985d90b605c34b5ccd category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V CVE: NA -------------------------------- Commit aad14ad3cf3a ("intel_th: msu: Add current window tracking") added the following gcc warning:
drivers/hwtracing/intel_th/msu.c: In function msc_win_switch: drivers/hwtracing/intel_th/msu.c:1389:21: warning: variable last set but not used [-Wunused-but-set-variable]
Fix it by removing the variable. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Fixes: aad14ad3cf3a ("intel_th: msu: Add current window tracking") Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20190621161930.60785-3-alexander.shishkin@linux.in... Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jackie Liu <liuyun01@kylinos.cn> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/hwtracing/intel_th/msu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index c4454ceff73d3..e73ed7ac0cea3 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -1400,10 +1400,9 @@ static int intel_th_msc_init(struct msc *msc) static void msc_win_switch(struct msc *msc) { - struct msc_window *last, *first; + struct msc_window *first; first = list_first_entry(&msc->win_list, struct msc_window, entry); - last = list_last_entry(&msc->win_list, struct msc_window, entry); if (msc_is_last_win(msc->cur_win)) msc->cur_win = first; -- 2.25.1