[tip:core/efi] efivarfs: efivarfs_fill_super() ensure we free our temporary name

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Commit-ID:  c0359db1a1c484ea810f4d5a877d3b00d107908b
Gitweb:     http://git.kernel.org/tip/c0359db1a1c484ea810f4d5a877d3b00d107908b
Author:     Andy Whitcroft <apw@xxxxxxxxxxxxx>
AuthorDate: Thu, 11 Oct 2012 11:32:20 +0100
Committer:  Matt Fleming <matt.fleming@xxxxxxxxx>
CommitDate: Tue, 30 Oct 2012 10:39:23 +0000

efivarfs: efivarfs_fill_super() ensure we free our temporary name

d_alloc_name() copies the passed name to new storage, once complete we
no longer need our name.

Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
Acked-by: Matthew Garrett <mjg@xxxxxxxxxx>
Acked-by: Jeremy Kerr <jeremy.kerr@xxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx>
---
 drivers/firmware/efivars.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index adfc486..36b3dd6 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -992,6 +992,8 @@ int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
 		inode = efivarfs_get_inode(efivarfs_sb, root->d_inode,
 					  S_IFREG | 0644, 0);
 		dentry = d_alloc_name(root, name);
+		/* copied by the above to local storage in the dentry. */
+		kfree(name);
 
 		efivars->ops->get_variable(entry->var.VariableName,
 					   &entry->var.VendorGuid,
--
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