diff options
author | Lee, Chun-Yi <joeyli.kernel@gmail.com> | 2012-10-05 07:54:56 +0200 |
---|---|---|
committer | Matt Fleming <matt.fleming@intel.com> | 2012-10-30 11:39:18 +0100 |
commit | 605e70c7aa1b7b0d554baf945630c1d606bbfbc3 (patch) | |
tree | 69982941955577654db2bd42ecd5235230407a7a /drivers/firmware/efivars.c | |
parent | efi: Handle deletions and size changes in efivarfs_write_file (diff) | |
download | linux-605e70c7aa1b7b0d554baf945630c1d606bbfbc3.tar.xz linux-605e70c7aa1b7b0d554baf945630c1d606bbfbc3.zip |
efi: add efivars kobject to efi sysfs folder
UEFI variable filesystem need a new mount point, so this patch add
efivars kobject to efi_kobj for create a /sys/firmware/efi/efivars
folder.
Cc: Matthew Garrett <mjg@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'drivers/firmware/efivars.c')
-rw-r--r-- | drivers/firmware/efivars.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index d7658b4a5010..6793965b7c8b 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -1527,6 +1527,7 @@ void unregister_efivars(struct efivars *efivars) sysfs_remove_bin_file(&efivars->kset->kobj, efivars->del_var); kfree(efivars->new_var); kfree(efivars->del_var); + kobject_put(efivars->kobject); kset_unregister(efivars->kset); } EXPORT_SYMBOL_GPL(unregister_efivars); @@ -1558,6 +1559,14 @@ int register_efivars(struct efivars *efivars, goto out; } + efivars->kobject = kobject_create_and_add("efivars", parent_kobj); + if (!efivars->kobject) { + pr_err("efivars: Subsystem registration failed.\n"); + error = -ENOMEM; + kset_unregister(efivars->kset); + goto out; + } + /* * Per EFI spec, the maximum storage allocated for both * the variable name and variable data is 1024 bytes. |