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ext4: return an error if kset_create_and_add fails in ext4_init_fs()

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In the very unlikely case that kset_create_and_add() fails when the
ext4.ko module is being loaded (or during kernel startup) set err so
that it's clear that the module load failed.

https://bugzilla.kernel.org/show_bug.cgi?id=27912

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2012-08-17 10:04:17 -04:00
parent 15c006a22f
commit 0e376b1e3c
1 changed files with 3 additions and 1 deletions
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4
fs/ext4/super.c
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@ -5285,8 +5285,10 @@ static int __init ext4_init_fs(void)
if (err)
goto out6;
ext4_kset = kset_create_and_add("ext4", NULL, fs_kobj);
if (!ext4_kset)
if (!ext4_kset) {
err = -ENOMEM;
goto out5;
}
ext4_proc_root = proc_mkdir("fs/ext4", NULL);
err = ext4_init_feat_adverts();