ext4: return an error if kset_create_and_add fails in ext4_init_fs()
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>
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0423e2e..3ab798d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5285,8 +5285,10 @@
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();