efivarfs: Free s_fs_info on unmount

[ Upstream commit 547713d502f7b4b8efccd409cff84d731a23853b ]

Now that we allocate a s_fs_info struct on fs context creation, we
should ensure that we free it again when the superblock goes away.

Fixes: 5329aa5101f7 ("efivarfs: Add uid/gid mount options")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ard Biesheuvel 2023-12-08 17:39:28 +01:00 committed by Greg Kroah-Hartman
parent d4a9aa7db5
commit ea6b597fca
1 changed files with 3 additions and 0 deletions

View File

@ -250,10 +250,13 @@ static int efivarfs_init_fs_context(struct fs_context *fc)
static void efivarfs_kill_sb(struct super_block *sb)
{
struct efivarfs_fs_info *sfi = sb->s_fs_info;
kill_litter_super(sb);
/* Remove all entries and destroy */
efivar_entry_iter(efivarfs_destroy, &efivarfs_list, NULL);
kfree(sfi);
}
static struct file_system_type efivarfs_type = {