Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758510Ab2JKKcb (ORCPT ); Thu, 11 Oct 2012 06:32:31 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:53477 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756635Ab2JKKc0 (ORCPT ); Thu, 11 Oct 2012 06:32:26 -0400 From: Andy Whitcroft To: Matthew Garrett , Jeremy Kerr Cc: Andy Whitcroft , Matt Fleming , linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/5] efivarfs: efivarfs_create() ensure we drop our reference on inode on error Date: Thu, 11 Oct 2012 11:32:18 +0100 Message-Id: <1349951541-20498-3-git-send-email-apw@canonical.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1349951541-20498-1-git-send-email-apw@canonical.com> References: <1349416496.810727.310563927016.1.gpush@pecola> <1349951541-20498-1-git-send-email-apw@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1602 Lines: 57 Signed-off-by: Andy Whitcroft --- drivers/firmware/efivars.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index ae50d2f..0bbf742 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -866,7 +866,7 @@ static void efivarfs_hex_to_guid(const char *str, efi_guid_t *guid) static int efivarfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { - struct inode *inode = efivarfs_get_inode(dir->i_sb, dir, mode, 0); + struct inode *inode; struct efivars *efivars = &__efivars; struct efivar_entry *var; int namelen, i = 0, err = 0; @@ -874,13 +874,15 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, if (dentry->d_name.len < 38) return -EINVAL; + inode = efivarfs_get_inode(dir->i_sb, dir, mode, 0); if (!inode) return -ENOSPC; var = kzalloc(sizeof(struct efivar_entry), GFP_KERNEL); - - if (!var) - return -ENOMEM; + if (!var) { + err = -ENOMEM; + goto out; + } namelen = dentry->d_name.len - GUID_LEN; @@ -908,8 +910,10 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, d_instantiate(dentry, inode); dget(dentry); out: - if (err) + if (err) { kfree(var); + iput(inode); + } return err; } -- 1.7.9.5 -- 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/