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for-6.6-rc5-tag

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Merge tag 'for-6.6-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A revert of recent mount option parsing fix, this breaks mounts with
  security options.

  The second patch is a flexible array annotation"

* tag 'for-6.6-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: add __counted_by for struct btrfs_delayed_item and use struct_size()
  Revert "btrfs: reject unknown mount options early"
This commit is contained in:
Linus Torvalds 2023-10-11 13:58:32 -07:00
commit 759d1b653f
3 changed files with 2 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/btrfs/delayed-inode.c
View file

@ -313,7 +313,7 @@ static struct btrfs_delayed_item *btrfs_alloc_delayed_item(u16 data_len,
{
struct btrfs_delayed_item *item;
item = kmalloc(sizeof(*item) + data_len, GFP_NOFS);
item = kmalloc(struct_size(item, data, data_len), GFP_NOFS);
if (item) {
item->data_len = data_len;
item->type = type;

2
fs/btrfs/delayed-inode.h
View file

@ -95,7 +95,7 @@ struct btrfs_delayed_item {
bool logged;
/* The maximum leaf size is 64K, so u16 is more than enough. */
u16 data_len;
char data[];
char data[] __counted_by(data_len);
};
static inline void btrfs_init_delayed_root(

4
fs/btrfs/super.c
View file

@ -954,10 +954,6 @@ static int btrfs_parse_subvol_options(const char *options, char **subvol_name,
*subvol_objectid = subvolid;
break;
case Opt_err:
btrfs_err(NULL, "unrecognized mount option '%s'", p);
error = -EINVAL;
goto out;
default:
break;
}