linux-kernel - Re: [PATCH] usb: gadget: functions: add ftrace export over USB

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Date:   Sat, 10 Jun 2017 11:38:37 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Felipe Balbi <felipe.balbi@...ux.intel.com>
Cc:     kbuild-all@...org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Linux USB <linux-usb@...r.kernel.org>,
        linux-kernel@...r.kernel.org,
        Chunyan Zhang <zhang.chunyan@...aro.org>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: Re: [PATCH] usb: gadget: functions: add ftrace export over USB

Hi Felipe,

[auto build test ERROR on balbi-usb/next]
[also build test ERROR on v4.12-rc4 next-20170609]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Felipe-Balbi/usb-gadget-functions-add-ftrace-export-over-USB/20170610-060059
base:   https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/usb/gadget/function/f-trace.c: In function 'ftrace_bind':
>> drivers/usb/gadget/function/f-trace.c:271:22: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
     trace->ftrace.write = ftrace_write;
                         ^
   cc1: some warnings being treated as errors

vim +271 drivers/usb/gadget/function/f-trace.c

   265			goto err0;
   266		trace->in = ep;
   267	
   268		ftrace_hs_in_desc.bEndpointAddress = ftrace_fs_in_desc.bEndpointAddress;
   269		ftrace_ss_in_desc.bEndpointAddress = ftrace_fs_in_desc.bEndpointAddress;
   270	
 > 271		trace->ftrace.write = ftrace_write;
   272	
   273		spin_lock_init(&trace->lock);
   274		INIT_WORK(&trace->queue_work, ftrace_queue_work);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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