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HID: logitech: fix a used uninitialized GCC warning
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> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -1231,7 +1231,6 @@ static int hidpp_hrw_get_wheel_capability(struct hidpp_device *hidpp,
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*multiplier = response.fap.params[0];
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return 0;
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return_default:
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*multiplier = 8;
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hid_warn(hidpp->hid_dev,
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"Couldn't get wheel multiplier (error %d), assuming %d.\n",
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ret, *multiplier);
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@ -2696,7 +2695,7 @@ static int hi_res_scroll_look_up_microns(__u32 product_id)
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static int hi_res_scroll_enable(struct hidpp_device *hidpp)
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{
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int ret;
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u8 multiplier;
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u8 multiplier = 8;
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if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2121) {
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ret = hidpp_hrw_set_wheel_mode(hidpp, false, true, false);
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@ -2704,10 +2703,9 @@ static int hi_res_scroll_enable(struct hidpp_device *hidpp)
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} else if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2120) {
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ret = hidpp_hrs_set_highres_scrolling_mode(hidpp, true,
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&multiplier);
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} else /* if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) */ {
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} else /* if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) */
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ret = hidpp10_enable_scrolling_acceleration(hidpp);
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multiplier = 8;
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}
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if (ret)
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return ret;
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