Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753966Ab2JDCbh (ORCPT ); Wed, 3 Oct 2012 22:31:37 -0400 Received: from mail-yh0-f46.google.com ([209.85.213.46]:49963 "EHLO mail-yh0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752867Ab2JDCbg (ORCPT ); Wed, 3 Oct 2012 22:31:36 -0400 From: "Lee, Chun-Yi" To: linux-efi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, glin@suse.com, "Lee, Chun-Yi" , Matt Fleming , Jeremy Kerr , Matthew Garrett , "H. Peter Anvin" Subject: [PATCH] efi: add efivars kobject to efi sysfs folder Date: Thu, 4 Oct 2012 10:24:46 +0800 Message-Id: <1349317486-30006-1-git-send-email-jlee@suse.com> X-Mailer: git-send-email 1.6.0.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2197 Lines: 70 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: Matt Fleming Cc: Jeremy Kerr Cc: Matthew Garrett Cc: H. Peter Anvin Signed-off-by: Lee, Chun-Yi --- drivers/firmware/efivars.c | 11 +++++++++++ include/linux/efi.h | 1 + 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 1e1aad0..7c1234e 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -1487,6 +1487,7 @@ 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); @@ -1518,6 +1519,13 @@ 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; + goto err_unreg_vars; + } + /* * Per EFI spec, the maximum storage allocated for both * the variable name and variable data is 1024 bytes. @@ -1562,6 +1570,9 @@ int register_efivars(struct efivars *efivars, register_filesystem(&efivars_fs_type); +err_unreg_vars: + kset_unregister(efivars->kset); + out: kfree(variable_name); diff --git a/include/linux/efi.h b/include/linux/efi.h index 1829a97..c993f54 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -654,6 +654,7 @@ struct efivars { spinlock_t lock; struct list_head list; struct kset *kset; + struct kobject *kobject; struct bin_attribute *new_var, *del_var; const struct efivar_operations *ops; struct efivar_entry *walk_entry; -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/