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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-26 18:41:54 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-26 18:41:54 +0300 |
| commit | 84bfed40fc25dd052620398fdcc19d8c77f02270 (patch) | |
| tree | e0a8c7df159edfdc745b91de2c8158f939c31e03 | |
| parent | 6f0d349d922ba44e4348a17a78ea51b7135965b1 (diff) | |
| parent | c5b4a50b74018b3677098151ec5f4fce07d5e6a0 (diff) | |
| download | linux-84bfed40fc25dd052620398fdcc19d8c77f02270.tar.xz | |
Merge tag 'for-4.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Two regression fixes and an incorrect error value propagation fix from
'rename exchange'"
* tag 'for-4.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: fix return value on rename exchange failure
btrfs: fix invalid-free in btrfs_extent_same
Btrfs: fix physical offset reported by fiemap for inline extents
| -rw-r--r-- | fs/btrfs/extent_io.c | 5 | ||||
| -rw-r--r-- | fs/btrfs/inode.c | 4 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.c | 10 |
3 files changed, 12 insertions, 7 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index cce6087d6880..e55843f536bc 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4542,8 +4542,11 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, offset_in_extent = em_start - em->start; em_end = extent_map_end(em); em_len = em_end - em_start; - disko = em->block_start + offset_in_extent; flags = 0; + if (em->block_start < EXTENT_MAP_LAST_BYTE) + disko = em->block_start + offset_in_extent; + else + disko = 0; /* * bump off for our next call to get_extent diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index e9482f0db9d0..be98dfc8d0f8 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -9443,6 +9443,7 @@ static int btrfs_rename_exchange(struct inode *old_dir, u64 new_idx = 0; u64 root_objectid; int ret; + int ret2; bool root_log_pinned = false; bool dest_log_pinned = false; @@ -9639,7 +9640,8 @@ out_fail: dest_log_pinned = false; } } - ret = btrfs_end_transaction(trans); + ret2 = btrfs_end_transaction(trans); + ret = ret ? ret : ret2; out_notrans: if (new_ino == BTRFS_FIRST_FREE_OBJECTID) up_read(&fs_info->subvol_sem); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c2837a32d689..43ecbe620dea 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3577,7 +3577,7 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN, dst, dst_loff, &cmp); if (ret) - goto out_unlock; + goto out_free; loff += BTRFS_MAX_DEDUPE_LEN; dst_loff += BTRFS_MAX_DEDUPE_LEN; @@ -3587,16 +3587,16 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, ret = btrfs_extent_same_range(src, loff, tail_len, dst, dst_loff, &cmp); +out_free: + kvfree(cmp.src_pages); + kvfree(cmp.dst_pages); + out_unlock: if (same_inode) inode_unlock(src); else btrfs_double_inode_unlock(src, dst); -out_free: - kvfree(cmp.src_pages); - kvfree(cmp.dst_pages); - return ret; } |