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| author | Greg Kroah-Hartman <gregkh@google.com> | 2021-03-24 11:22:11 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2021-03-24 11:22:11 +0100 |
| commit | ff91fba478b0b7e2b81b13de25e9a226f1daf296 (patch) | |
| tree | 328d3052ba44bdf361568b198782b3ba9dc81575 /fs/btrfs | |
| parent | 901297f61843b004aa3b39e28c53b89f586896d5 (diff) | |
| parent | 4d422f6e1358d7eb9f493ec832e8cf0b8e6bc28d (diff) | |
Merge 4.4.263 into android-4.4-p
Changes in 4.4.263
ext4: handle error of ext4_setup_system_zone() on remount
ext4: don't allow overlapping system zones
ext4: check journal inode extents more carefully
platform/chrome: cros_ec_dev - Fix security issue
btrfs: fix race when cloning extent buffer during rewind of an old root
NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
scsi: lpfc: Fix some error codes in debugfs
USB: replace hardcode maximum usb string length by definition
usb: gadget: configfs: Fix KASAN use-after-free
PCI: rpadlpar: Fix potential drc_name corruption in store functions
x86/ioapic: Ignore IRQ2 again
ext4: find old entry again if failed to rename whiteout
ext4: fix potential error in ext4_do_update_inode
genirq: Disable interrupts for force threaded handlers
Linux 4.4.263
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2f08b8f294218dd5ef2df6f13ca83f43a8728a28
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ctree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 85b64475d808..fbb4c81f6311 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1431,7 +1431,9 @@ get_old_root(struct btrfs_root *root, u64 time_seq) btrfs_warn(root->fs_info, "failed to read tree block %llu from get_old_root", logical); } else { + btrfs_tree_read_lock(old); eb = btrfs_clone_extent_buffer(old); + btrfs_tree_read_unlock(old); free_extent_buffer(old); } } else if (old_root) { |