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Date:   Sat, 5 Nov 2022 14:15:40 +0300
From:   Dan Carpenter <error27@gmail.com>
To:     oe-kbuild@lists.linux.dev,
        Heming Zhao via Ocfs2-devel <ocfs2-devel@oss.oracle.com>
Cc:     lkp@intel.com, oe-kbuild-all@lists.linux.dev,
        linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Joseph Qi <joseph.qi@linux.alibaba.com>
Subject: fs/ocfs2/super.c:1809 ocfs2_mount_volume() warn: missing error code
 'status'
Message-ID: <202211050722.8YGvtPaR-lkp@intel.com>
MIME-Version: 1.0
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Precedence: bulk

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   10d916c86ecafeccaed89175ebf9b832dddde380
commit: 0737e01de9c411e4db87dcedf4a9789d41b1c5c1 ocfs2: ocfs2_mount_volume does cleanup job before return error
config: alpha-randconfig-m041-20221030
compiler: alpha-linux-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>

smatch warnings:
fs/ocfs2/super.c:1809 ocfs2_mount_volume() warn: missing error code 'status'

vim +/status +1809 fs/ocfs2/super.c

ccd979bdbce9fba Mark Fasheh                 2005-12-15  1802  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1803  static int ocfs2_mount_volume(struct super_block *sb)
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1804  {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1805  	int status = 0;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1806  	struct ocfs2_super *osb = OCFS2_SB(sb);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1807  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1808  	if (ocfs2_is_hard_readonly(osb))
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29 @1809  		goto out;

Unclear if this is an error path or a success path.  Honestly, I would
have thought the checker is correct that it looks like a failure path.

ccd979bdbce9fba Mark Fasheh                 2005-12-15  1810  
5500ab4ed3b8f07 Gang He                     2019-03-05  1811  	mutex_init(&osb->obs_trim_fs_mutex);
5500ab4ed3b8f07 Gang He                     2019-03-05  1812  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1813  	status = ocfs2_dlm_init(osb);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1814  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1815  		mlog_errno(status);
a52370b3b182f79 Gang He                     2018-01-31  1816  		if (status == -EBADR && ocfs2_userspace_stack(osb))
a52370b3b182f79 Gang He                     2018-01-31  1817  			mlog(ML_ERROR, "couldn't mount because cluster name on"
a52370b3b182f79 Gang He                     2018-01-31  1818  			" disk does not match the running cluster name.\n");
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1819  		goto out;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1820  	}
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1821  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1822  	status = ocfs2_super_lock(osb, 1);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1823  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1824  		mlog_errno(status);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1825  		goto out_dlm;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1826  	}
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1827  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1828  	/* This will load up the node map and add ourselves to it. */
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1829  	status = ocfs2_find_slot(osb);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1830  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1831  		mlog_errno(status);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1832  		goto out_super_lock;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1833  	}
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1834  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1835  	/* load all node-local system inodes */
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1836  	status = ocfs2_init_local_system_inodes(osb);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1837  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1838  		mlog_errno(status);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1839  		goto out_super_lock;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1840  	}
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1841  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1842  	status = ocfs2_check_volume(osb);
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1843  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1844  		mlog_errno(status);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1845  		goto out_system_inodes;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1846  	}
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1847  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1848  	status = ocfs2_truncate_log_init(osb);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1849  	if (status < 0) {
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1850  		mlog_errno(status);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1851  		goto out_system_inodes;
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1852  	}
c271c5c22b0a7ca Sunil Mushran               2006-12-05  1853  
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1854  	ocfs2_super_unlock(osb, 1);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1855  	return 0;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1856  
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1857  out_system_inodes:
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1858  	if (osb->local_alloc_state == OCFS2_LA_ENABLED)
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1859  		ocfs2_shutdown_local_alloc(osb);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1860  	ocfs2_release_system_inodes(osb);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1861  	/* before journal shutdown, we should release slot_info */
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1862  	ocfs2_free_slot_info(osb);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1863  	ocfs2_journal_shutdown(osb);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1864  out_super_lock:
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1865  	ocfs2_super_unlock(osb, 1);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1866  out_dlm:
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1867  	ocfs2_dlm_shutdown(osb, 0);
0737e01de9c411e Heming Zhao via Ocfs2-devel 2022-04-29  1868  out:
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1869  	return status;
ccd979bdbce9fba Mark Fasheh                 2005-12-15  1870  }

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