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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org,
	"'Dmitry Torokhov'" <dmitry.torokhov@gmail.com>,
	jingle <jingle.wu@emc.com.tw>
Cc: lkp@intel.com, kbuild-all@01.org,
	"'linux-kernel'" <linux-kernel@vger.kernel.org>,
	"'linux-input'" <linux-input@vger.kernel.org>,
	"'phoenix'" <phoenix@emc.com.tw>,
	"'dave.wang'" <dave.wang@emc.com.tw>,
	"'josh.chen'" <josh.chen@emc.com.tw>
Subject: Re: Re: [PATCH] Input: elan_i2c - Reduce the resume time for new dev ices
Date: Tue, 9 Mar 2021 09:29:23 +0300	[thread overview]
Message-ID: <20210309062923.GI2087@kadam> (raw)
In-Reply-To: <YEWXcV62YpxbBp9P@google.com>

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Hi 'Dmitry,

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/Re-PATCH-Input-elan_i2c-Reduce-the-resume-time-for-new-dev-ices/20210308-111956
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: x86_64-randconfig-m001-20210308 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/input/mouse/elan_i2c_core.c:122 elan_i2c_lookup_quirks() warn: ignoring unreachable code.

vim +122 drivers/input/mouse/elan_i2c_core.c

5b1301343b8d29 Dmitry Torokhov 2021-03-07  100  static u32 elan_i2c_lookup_quirks(u16 ic_type, u16 product_id)
5b1301343b8d29 Dmitry Torokhov 2021-03-07  101  {
5b1301343b8d29 Dmitry Torokhov 2021-03-07  102  	static const struct {
5b1301343b8d29 Dmitry Torokhov 2021-03-07  103  		u16 ic_type;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  104  		u16 product_id;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  105  		u32 quirks;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  106  	} elan_i2c_quirks[] = {
5b1301343b8d29 Dmitry Torokhov 2021-03-07  107  		{ 0x0D, ETP_PRODUCT_ID_DELBIN, ETP_QUIRK_QUICK_WAKEUP },
5b1301343b8d29 Dmitry Torokhov 2021-03-07  108  		{ 0x10, ETP_PRODUCT_ID_VOXEL, ETP_QUIRK_QUICK_WAKEUP },
5b1301343b8d29 Dmitry Torokhov 2021-03-07  109  		{ 0x14, ETP_PRODUCT_ID_MAGPIE, ETP_QUIRK_QUICK_WAKEUP },
5b1301343b8d29 Dmitry Torokhov 2021-03-07  110  		{ 0x14, ETP_PRODUCT_ID_BOBBA, ETP_QUIRK_QUICK_WAKEUP },
6696777c6506fa Duson Lin       2014-10-03  111  	};
5b1301343b8d29 Dmitry Torokhov 2021-03-07  112  	u32 quirks = 0;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  113  	int i;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  114  
5b1301343b8d29 Dmitry Torokhov 2021-03-07  115  	for (i = 0; ARRAY_SIZE(elan_i2c_quirks); i++) {
                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
The "i < " part of this condition is missing.


5b1301343b8d29 Dmitry Torokhov 2021-03-07  116  		if (elan_i2c_quirks[i].ic_type == ic_type &&
5b1301343b8d29 Dmitry Torokhov 2021-03-07  117  		    elan_i2c_quirks[i].product_id == product_id) {
5b1301343b8d29 Dmitry Torokhov 2021-03-07  118  			quirks = elan_i2c_quirks[i].quirks;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  119  		}
5b1301343b8d29 Dmitry Torokhov 2021-03-07  120  	}
5b1301343b8d29 Dmitry Torokhov 2021-03-07  121  
5b1301343b8d29 Dmitry Torokhov 2021-03-07 @122  	if (ic_type >= 0x0D && product_id >= 0x123)
5b1301343b8d29 Dmitry Torokhov 2021-03-07  123  		quirks |= ETP_QUIRK_QUICK_WAKEUP;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  124  
5b1301343b8d29 Dmitry Torokhov 2021-03-07  125  	return quirks;
5b1301343b8d29 Dmitry Torokhov 2021-03-07  126  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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      parent reply	other threads:[~2021-03-09  6:30 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-26  7:35 [PATCH] Input: elan_i2c - Reduce the resume time for new devices jingle.wu
2021-03-01  5:31 ` Dmitry Torokhov
2021-03-02  1:04   ` [PATCH] Input: elan_i2c - Reduce the resume time for new dev ices jingle.wu
2021-03-05  0:55     ` Dmitry Torokhov
2021-03-05  1:24       ` jingle
2021-03-05  1:31         ` 'Dmitry Torokhov'
2021-03-05  1:50           ` jingle
2021-03-08  3:18             ` 'Dmitry Torokhov'
2021-03-08  8:56               ` jingle
2021-03-09  1:37                 ` 'Dmitry Torokhov'
     [not found]                   ` <00ce01d714ef$2598f740$70cae5c0$@emc.com.tw>
2021-03-09 14:53                     ` jingle.wu
2021-03-10  5:46                       ` 'Dmitry Torokhov'
2021-03-09  6:29               ` Dan Carpenter [this message]

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