From: zhong jiang <zhongjiang@huawei.com>
To: <jikos@kernel.org>, <benjamin.tissoires@redhat.com>
Cc: <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] HID: logitech: fix a used uninitialized GCC warning
Date: Thu, 13 Sep 2018 11:52:19 +0800 [thread overview]
Message-ID: <1536810739-27342-1-git-send-email-zhongjiang@huawei.com> (raw)
Fix the following compile warning:
drivers/hid/hid-logitech-hidpp.c: In function ‘hi_res_scroll_enable’:
drivers/hid/hid-logitech-hidpp.c:2714:54: warning: ‘multiplier’ may be used uninitialized in this function [-Wmaybe-uninitialized]
hidpp->vertical_wheel_counter.resolution_multiplier = multiplier;
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
drivers/hid/hid-logitech-hidpp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 5f0c080..83c43dd 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -2696,7 +2696,7 @@ static int hi_res_scroll_look_up_microns(__u32 product_id)
static int hi_res_scroll_enable(struct hidpp_device *hidpp)
{
int ret;
- u8 multiplier;
+ u8 uninitialized_var(multiplier);
if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2121) {
ret = hidpp_hrw_set_wheel_mode(hidpp, false, true, false);
--
1.7.12.4
next reply other threads:[~2018-09-13 4:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 3:52 zhong jiang [this message]
2018-09-13 7:01 ` [PATCH] HID: logitech: fix a used uninitialized GCC warning Benjamin Tissoires
2018-09-13 7:39 ` zhong jiang
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