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@canonical.com>
Acked-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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 @@
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,