[Ocfs2-devel] fs/ocfs2/super.c:1809 ocfs2_mount_volume() warn: missing error code 'status'
Joseph Qi
joseph.qi at linux.alibaba.com
Mon Apr 3 11:07:37 UTC 2023
Hi,
IIRC, we've discussed this before.
Success return is expected in case of 'hard readonly'.
So this a false positive report.
Thanks,
Joseph
On 4/3/23 2:14 PM, Dan Carpenter wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 7b50567bdcad8925ca1e075feb7171c12015afd1
> commit: 0737e01de9c411e4db87dcedf4a9789d41b1c5c1 ocfs2: ocfs2_mount_volume does cleanup job before return error
> config: arm64-randconfig-m041-20230329 (https://download.01.org/0day-ci/archive/20230401/202304012244.gX4H4rBO-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 12.1.0
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp at intel.com>
> | Reported-by: Dan Carpenter <error27 at gmail.com>
> | Link: https://lore.kernel.org/r/202304012244.gX4H4rBO-lkp@intel.com/
>
> smatch warnings:
> fs/ocfs2/super.c:1809 ocfs2_mount_volume() warn: missing error code 'status'
>
> vim +/status +1809 fs/ocfs2/super.c
>
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1803 static int ocfs2_mount_volume(struct super_block *sb)
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1804 {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1805 int status = 0;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1806 struct ocfs2_super *osb = OCFS2_SB(sb);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1807
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1808 if (ocfs2_is_hard_readonly(osb))
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 @1809 goto out;
>
> Hard to tell if this should be an error path or not... Canonical
> problem with do nothing gotos.
>
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1810
> 5500ab4ed3b8f0 Gang He 2019-03-05 1811 mutex_init(&osb->obs_trim_fs_mutex);
> 5500ab4ed3b8f0 Gang He 2019-03-05 1812
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1813 status = ocfs2_dlm_init(osb);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1814 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1815 mlog_errno(status);
> a52370b3b182f7 Gang He 2018-01-31 1816 if (status == -EBADR && ocfs2_userspace_stack(osb))
> a52370b3b182f7 Gang He 2018-01-31 1817 mlog(ML_ERROR, "couldn't mount because cluster name on"
> a52370b3b182f7 Gang He 2018-01-31 1818 " disk does not match the running cluster name.\n");
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1819 goto out;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1820 }
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1821
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1822 status = ocfs2_super_lock(osb, 1);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1823 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1824 mlog_errno(status);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1825 goto out_dlm;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1826 }
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1827
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1828 /* This will load up the node map and add ourselves to it. */
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1829 status = ocfs2_find_slot(osb);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1830 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1831 mlog_errno(status);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1832 goto out_super_lock;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1833 }
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1834
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1835 /* load all node-local system inodes */
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1836 status = ocfs2_init_local_system_inodes(osb);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1837 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1838 mlog_errno(status);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1839 goto out_super_lock;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1840 }
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1841
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1842 status = ocfs2_check_volume(osb);
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1843 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1844 mlog_errno(status);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1845 goto out_system_inodes;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1846 }
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1847
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1848 status = ocfs2_truncate_log_init(osb);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1849 if (status < 0) {
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1850 mlog_errno(status);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1851 goto out_system_inodes;
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1852 }
> c271c5c22b0a7c Sunil Mushran 2006-12-05 1853
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1854 ocfs2_super_unlock(osb, 1);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1855 return 0;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1856
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1857 out_system_inodes:
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1858 if (osb->local_alloc_state == OCFS2_LA_ENABLED)
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1859 ocfs2_shutdown_local_alloc(osb);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1860 ocfs2_release_system_inodes(osb);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1861 /* before journal shutdown, we should release slot_info */
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1862 ocfs2_free_slot_info(osb);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1863 ocfs2_journal_shutdown(osb);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1864 out_super_lock:
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1865 ocfs2_super_unlock(osb, 1);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1866 out_dlm:
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1867 ocfs2_dlm_shutdown(osb, 0);
> 0737e01de9c411 Heming Zhao via Ocfs2-devel 2022-04-29 1868 out:
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1869 return status;
> ccd979bdbce9fb Mark Fasheh 2005-12-15 1870 }
>
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