6.6-stable review patch. If anyone has any objections, please let me know.
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From: Ard Biesheuvel ardb@kernel.org
[ 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 --- fs/efivarfs/super.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index 05c01694e852..d59d9670965c 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -299,6 +299,8 @@ 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);
if (!efivar_is_available()) @@ -306,6 +308,7 @@ static void efivarfs_kill_sb(struct super_block *sb)
/* Remove all entries and destroy */ efivar_entry_iter(efivarfs_destroy, &efivarfs_list, NULL); + kfree(sfi); }
static struct file_system_type efivarfs_type = {