Re: [PATCH 6/6] drivers/media/dvb-usb-dvb: postpone kfree(mdev)

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Hi Max,

[auto build test ERROR on v4.5-rc7]
[cannot apply to sailus-media/master linuxtv-media/master next-20160321]
[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/Max-Kellermann/drivers-media-dvb-core-en50221-move-code-to-dvb_ca_private_free/20160321-213556
config: x86_64-randconfig-x000-201612 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/media/usb/dvb-usb/dvb-usb-dvb.c: In function 'dvb_usb_media_device_release':
>> drivers/media/usb/dvb-usb/dvb-usb-dvb.c:100:2: error: implicit declaration of function 'media_device_cleanup' [-Werror=implicit-function-declaration]
     media_device_cleanup(mdev);
     ^
   drivers/media/usb/dvb-usb/dvb-usb-dvb.c: At top level:
   drivers/media/usb/dvb-usb/dvb-usb-dvb.c:98:13: warning: 'dvb_usb_media_device_release' defined but not used [-Wunused-function]
    static void dvb_usb_media_device_release(struct media_device *mdev)
                ^
   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/uapi/linux/sysinfo.h:4,
                    from include/uapi/linux/kernel.h:4,
                    from include/linux/cache.h:4,
                    from include/linux/time.h:4,
                    from include/linux/input.h:11,
                    from drivers/media/usb/dvb-usb/dvb-usb.h:13,
                    from drivers/media/usb/dvb-usb/dvb-usb-common.h:12,
                    from drivers/media/usb/dvb-usb/dvb-usb-dvb.c:9:
   drivers/media/usb/dvb-usb/dvb-usb-dvb.c: In function 'dvb_usb_adapter_frontend_init':
   include/linux/compiler.h:147:6: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
         ^
   drivers/media/usb/dvb-usb/dvb-usb-dvb.c:289:6: note: 'ret' was declared here
     int ret, i;
         ^
   cc1: some warnings being treated as errors

vim +/media_device_cleanup +100 drivers/media/usb/dvb-usb/dvb-usb-dvb.c

    94		deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type);
    95		return dvb_usb_ctrl_feed(dvbdmxfeed, 0);
    96	}
    97	
    98	static void dvb_usb_media_device_release(struct media_device *mdev)
    99	{
 > 100		media_device_cleanup(mdev);
   101		kfree(mdev);
   102	}
   103	

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

Attachment: .config.gz
Description: Binary data


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