linux-kernel - Re: [PATCH] UBI: add debugfs file for tracking PEB state

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Date:   Tue, 20 Sep 2016 03:42:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Zach Brown <zach.brown@...com>
Cc:     kbuild-all@...org, dwmw2@...radead.org,
        computersforpeace@...il.com, dedekind1@...il.com, richard@....at,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UBI: add debugfs file for tracking PEB state

Hi Ben,

[auto build test WARNING on mtd/master]
[also build test WARNING on v4.8-rc7 next-20160919]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Zach-Brown/UBI-add-debugfs-file-for-tracking-PEB-state/20160920-025147
base:   git://git.infradead.org/linux-mtd.git master
config: x86_64-randconfig-i0-201638 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/mtd/ubi/debug.c: In function 'eraseblk_count_open':
>> drivers/mtd/ubi/debug.c:515:30: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     s->private = ubi_get_device((int)inode->i_private);
                                 ^

vim +515 drivers/mtd/ubi/debug.c

   499		.start = eraseblk_count_seq_start,
   500		.next = eraseblk_count_seq_next,
   501		.stop = eraseblk_count_seq_stop,
   502		.show = eraseblk_count_seq_show
   503	};
   504	
   505	static int eraseblk_count_open(struct inode *inode, struct file *f)
   506	{
   507		struct seq_file *s;
   508		int err;
   509	
   510		err = seq_open(f, &eraseblk_count_seq_ops);
   511		if (err)
   512			return err;
   513	
   514		s = f->private_data;
 > 515		s->private = ubi_get_device((int)inode->i_private);
   516	
   517		if (!s->private)
   518			return -ENODEV;
   519		else
   520			return 0;
   521	}
   522	
   523	static int eraseblk_count_release(struct inode *inode, struct file *f)

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

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