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ext4: fix up ext4 error handling

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Make sure we the correct cleanup happens if we die while trying to
load the ext4 file system.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2011-02-03 14:33:49 -05:00
parent 8f021222c1
commit dd68314ccf
1 changed files with 11 additions and 5 deletions
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16
fs/ext4/super.c
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@ -4810,13 +4810,17 @@ static int __init ext4_init_fs(void)
return err; return err;
err = ext4_init_system_zone(); err = ext4_init_system_zone();
if (err) if (err)
goto out5; goto out7;
ext4_kset = kset_create_and_add("ext4", NULL, fs_kobj); ext4_kset = kset_create_and_add("ext4", NULL, fs_kobj);
if (!ext4_kset) if (!ext4_kset)
goto out4; goto out6;
ext4_proc_root = proc_mkdir("fs/ext4", NULL); ext4_proc_root = proc_mkdir("fs/ext4", NULL);
if (!ext4_proc_root)
goto out5;
err = ext4_init_feat_adverts(); err = ext4_init_feat_adverts();
if (err)
goto out4;
err = ext4_init_mballoc(); err = ext4_init_mballoc();
if (err) if (err)
@ -4847,11 +4851,13 @@ out2:
ext4_exit_mballoc(); ext4_exit_mballoc();
out3: out3:
ext4_exit_feat_adverts(); ext4_exit_feat_adverts();
remove_proc_entry("fs/ext4", NULL);
kset_unregister(ext4_kset);
out4: out4:
ext4_exit_system_zone(); remove_proc_entry("fs/ext4", NULL);
out5: out5:
kset_unregister(ext4_kset);
out6:
ext4_exit_system_zone();
out7:
ext4_exit_pageio(); ext4_exit_pageio();
return err; return err;
} }