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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-27 11:54:36 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-27 11:54:36 -1000 |
| commit | 38747c9a2d221ad899a1a861777ee79a11ab6e73 (patch) | |
| tree | 305e93bdc058cb92109139d43be8047a0decb49b /drivers | |
| parent | Merge tag 'acpi-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm (diff) | |
| parent | dm snapshot: properly fix a crash when an origin has no snapshots (diff) | |
| download | linux-dev-38747c9a2d221ad899a1a861777ee79a11ab6e73.tar.xz linux-dev-38747c9a2d221ad899a1a861777ee79a11ab6e73.zip | |
Merge tag 'for-5.13/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM verity target's 'require_signatures' module_param permissions.
- Revert DM snapshot fix from v5.13-rc3 and then properly fix crash
when an origin has no snapshots. This allows only the proper fix to
go to stable@ (since the original fix was successfully dropped).
* tag 'for-5.13/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm snapshot: properly fix a crash when an origin has no snapshots
dm snapshot: revert "fix a crash when an origin has no snapshots"
dm verity: fix require_signatures module_param permissions
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-snap.c | 3 | ||||
| -rw-r--r-- | drivers/md/dm-verity-verify-sig.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index b8e4d31124ea..751ec5ea1dbb 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -859,7 +859,8 @@ static uint32_t __minimum_chunk_size(struct origin *o) if (o) list_for_each_entry(snap, &o->snapshots, list) - chunk_size = min(chunk_size, snap->store->chunk_size); + chunk_size = min_not_zero(chunk_size, + snap->store->chunk_size); return (uint32_t) chunk_size; } diff --git a/drivers/md/dm-verity-verify-sig.c b/drivers/md/dm-verity-verify-sig.c index 29385dc470d5..db61a1f43ae9 100644 --- a/drivers/md/dm-verity-verify-sig.c +++ b/drivers/md/dm-verity-verify-sig.c @@ -15,7 +15,7 @@ #define DM_VERITY_VERIFY_ERR(s) DM_VERITY_ROOT_HASH_VERIFICATION " " s static bool require_signatures; -module_param(require_signatures, bool, false); +module_param(require_signatures, bool, 0444); MODULE_PARM_DESC(require_signatures, "Verify the roothash of dm-verity hash tree"); |