linux-kernel - Re: [media 7/7] PCI bridge driver for PT3 & PXQ3PE

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Message-ID: <201602151435.NEdtOtOB%fengguang.wu@intel.com>
Date:	Mon, 15 Feb 2016 14:47:33 +0800
From:	kbuild test robot <lkp@...el.com>
To:	info@....ma
Cc:	kbuild-all@...org, linux-media@...r.kernel.org,
	Буди Романто, AreMa Inc 
	<knightrider@....ma>, linux-kernel@...r.kernel.org, crope@....fi,
	m.chehab@...sung.com, mchehab@....samsung.com, hdegoede@...hat.com,
	laurent.pinchart@...asonboard.com, mkrufky@...uxtv.org,
	sylvester.nawrocki@...il.com, g.liakhovetski@....de,
	peter.senna@...il.com
Subject: Re: [media 7/7] PCI bridge driver for PT3 & PXQ3PE

Hi Буди,

[auto build test WARNING on linuxtv-media/master]
[cannot apply to v4.5-rc4 next-20160212]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/info-are-ma/Driver-bundle-for-PT3-PX-Q3PE/20160215-141501
base:   git://linuxtv.org/media_tree.git master
config: s390-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All warnings (new ones prefixed by >>):

   drivers/media/tuners/mxl301rf.c: In function 'mxl301rf_w':
>> drivers/media/tuners/mxl301rf.c:31:1: warning: 'mxl301rf_w' uses dynamic stack allocation
    }
    ^
   drivers/media/tuners/mxl301rf.c: In function 'mxl301rf_w_tuner':
>> drivers/media/tuners/mxl301rf.c:40:1: warning: 'mxl301rf_w_tuner' uses dynamic stack allocation
    }
    ^
--
   drivers/media/tuners/qm1d1c0042.c: In function 'qm1d1c0042_w':
>> drivers/media/tuners/qm1d1c0042.c:46:1: warning: 'qm1d1c0042_w' uses dynamic stack allocation
    }
    ^

vim +/mxl301rf_w +31 drivers/media/tuners/mxl301rf.c

3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  25  		{.addr = fe->id,	.flags = 0,	.buf = buf,	.len = len + 1,},
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  26  	};
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  27  
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  28  	buf[0] = slvadr;
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  29  	memcpy(buf + 1, dat, len);
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  30  	return i2c_transfer(t->i2c, msg, 1) == 1 ? 0 : -EIO;
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15 @31  }
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  32  
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  33  int mxl301rf_w_tuner(struct dvb_frontend *fe, const u8 *dat, int len)
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  34  {
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  35  	u8 buf[len + 1];
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  36  
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  37  	buf[0] = ((struct mxl301rf *)fe->tuner_priv)->adr_tuner << 1;
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  38  	memcpy(buf + 1, dat, len);
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  39  	return mxl301rf_w(fe, 0xFE, buf, len + 1);
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15 @40  }
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  41  
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  42  void mxl301rf_r(struct dvb_frontend *fe, u8 regadr, u8 *dat)
3f15bcc3 Буди Романто, AreMa Inc 2016-02-15  43  {

:::::: The code at line 31 was first introduced by commit
:::::: 3f15bcc3ee23377c702f9635ca3e5908d147eb80 MaxLinear MxL301RF ISDB-T tuner

:::::: TO: Буди Романто, AreMa Inc <knightrider@....ma>
:::::: CC: 0day robot <fengguang.wu@...el.com>

---
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