tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dev
head:   07f5b791de7cd7d985c5d0ccd3b6c9096907f75e
commit: 07f5b791de7cd7d985c5d0ccd3b6c9096907f75e [9/9] f2fs: fix to avoid uninitialized value
config: x86_64-randconfig-m001-20210303 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
fs/f2fs/inline.c:205 f2fs_convert_inline_inode() error: uninitialized symbol 'ipage'.

vim +/ipage +205 fs/f2fs/inline.c

b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  184  int f2fs_convert_inline_inode(struct inode *inode)
e18c65b2ac91aa Huajun Li   2013-11-10  185  {
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  186  	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  187  	struct dnode_of_data dn;
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  188  	struct page *ipage, *page;
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  189  	int err = 0;
e18c65b2ac91aa Huajun Li   2013-11-10  190  
ec2ddf499402a6 Jaegeuk Kim 2020-12-03  191  	if (!f2fs_has_inline_data(inode) ||
ec2ddf499402a6 Jaegeuk Kim 2020-12-03  192  			f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb))
b9d777b85ff1ff Jaegeuk Kim 2015-12-22  193  		return 0;
b9d777b85ff1ff Jaegeuk Kim 2015-12-22  194  
25fb04dbce6a0e Yi Chen     2021-01-28  195  	err = dquot_initialize(inode);
25fb04dbce6a0e Yi Chen     2021-01-28  196  	if (err)
25fb04dbce6a0e Yi Chen     2021-01-28  197  		return err;
25fb04dbce6a0e Yi Chen     2021-01-28  198  
300e129c15f0ed Jaegeuk Kim 2016-04-29  199  	page = f2fs_grab_cache_page(inode->i_mapping, 0, false);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  200  	if (!page)
9e09fc855dd6f6 Jaegeuk Kim 2013-12-27  201  		return -ENOMEM;
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  202  
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  203  	f2fs_lock_op(sbi);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  204  
07f5b791de7cd7 Chao Yu     2021-03-03 @205  	set_new_dnode(&dn, inode, ipage, ipage, 0);
                                                                          ^^^^^^^^^^^^^
Not intialized until the next line.

07f5b791de7cd7 Chao Yu     2021-03-03  206  
4d57b86dd86404 Chao Yu     2018-05-30  207  	ipage = f2fs_get_node_page(sbi, inode->i_ino);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  208  	if (IS_ERR(ipage)) {
6d20aff83c24e9 Jaegeuk Kim 2014-11-17  209  		err = PTR_ERR(ipage);
6d20aff83c24e9 Jaegeuk Kim 2014-11-17  210  		goto out;
b067ba1f1b3fa7 Jaegeuk Kim 2014-08-07  211  	}
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  212  
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  213  	if (f2fs_has_inline_data(inode))
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  214  		err = f2fs_convert_inline_page(&dn, page);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  215  
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  216  	f2fs_put_dnode(&dn);
6d20aff83c24e9 Jaegeuk Kim 2014-11-17  217  out:
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  218  	f2fs_unlock_op(sbi);
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  219  
b3d208f96d6bb2 Jaegeuk Kim 2014-10-23  220  	f2fs_put_page(page, 1);
2a3407607028f7 Jaegeuk Kim 2015-12-22  221  
2c4db1a6f6b42e Jaegeuk Kim 2016-01-07  222  	f2fs_balance_fs(sbi, dn.node_changed);
2a3407607028f7 Jaegeuk Kim 2015-12-22  223  
e18c65b2ac91aa Huajun Li   2013-11-10  224  	return err;
e18c65b2ac91aa Huajun Li   2013-11-10  225  }

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