Hi Буди,

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v4.6-rc2 next-20160404]
[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/DVB-driver-for-Earthsoft-PT3-PLEX-PX-Q3PE-ISDB-S-T-PCIE-cards-PX-BCUD-ISDB-S-USB-dongle/20160405-011100
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:26:1: warning: 'mxl301rf_w' uses dynamic stack allocation
    }
    ^
   drivers/media/tuners/mxl301rf.c: In function 'mxl301rf_w_tuner':
>> drivers/media/tuners/mxl301rf.c:35:1: warning: 'mxl301rf_w_tuner' uses dynamic stack allocation
    }
    ^
--
   drivers/media/tuners/qm1d1c004x.c: In function 'qm1d1c004x_w':
>> drivers/media/tuners/qm1d1c004x.c:51:1: warning: 'qm1d1c004x_w' uses dynamic stack allocation
    }
    ^
--
   drivers/media/tuners/nm131.c: In function 'nm131_r':
>> drivers/media/tuners/nm131.c:45:1: warning: 'nm131_r' uses dynamic stack allocation
    }
    ^

vim +/mxl301rf_w +26 drivers/media/tuners/mxl301rf.c

8be8684f Буди Романто, AreMa Inc 2016-04-05  20  		{.addr = d->addr,	.flags = 0,	.buf = buf,	.len = len + 1,},
8be8684f Буди Романто, AreMa Inc 2016-04-05  21  	};
8be8684f Буди Романто, AreMa Inc 2016-04-05  22  
8be8684f Буди Романто, AreMa Inc 2016-04-05  23  	buf[0] = slvadr;
8be8684f Буди Романто, AreMa Inc 2016-04-05  24  	memcpy(buf + 1, dat, len);
8be8684f Буди Романто, AreMa Inc 2016-04-05  25  	return i2c_transfer(d->adapter, msg, 1) == 1 ? 0 : -EIO;
8be8684f Буди Романто, AreMa Inc 2016-04-05 @26  }
8be8684f Буди Романто, AreMa Inc 2016-04-05  27  
8be8684f Буди Романто, AreMa Inc 2016-04-05  28  int mxl301rf_w_tuner(struct dvb_frontend *fe, const u8 *dat, int len)
8be8684f Буди Романто, AreMa Inc 2016-04-05  29  {
8be8684f Буди Романто, AreMa Inc 2016-04-05  30  	u8 buf[len + 1];
8be8684f Буди Романто, AreMa Inc 2016-04-05  31  
8be8684f Буди Романто, AreMa Inc 2016-04-05  32  	buf[0] = ((struct i2c_client *)fe->tuner_priv)->addr << 1;
8be8684f Буди Романто, AreMa Inc 2016-04-05  33  	memcpy(buf + 1, dat, len);
8be8684f Буди Романто, AreMa Inc 2016-04-05  34  	return mxl301rf_w(fe, 0xFE, buf, len + 1);
8be8684f Буди Романто, AreMa Inc 2016-04-05 @35  }
8be8684f Буди Романто, AreMa Inc 2016-04-05  36  
8be8684f Буди Романто, AreMa Inc 2016-04-05  37  u8 mxl301rf_r(struct dvb_frontend *fe, u8 regadr)
8be8684f Буди Романто, AreMa Inc 2016-04-05  38  {

:::::: The code at line 26 was first introduced by commit
:::::: 8be8684ff9906c489dc94d4d9b0fadab97c4a3af Tuners for Earthsoft PT3, PLEX PX-Q3PE ISDB-S/T PCIE cards & PX-BCUD ISDB-S USB dongle

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

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