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authorLinus Torvalds2018-06-26 17:41:54 +0200
committerLinus Torvalds2018-06-26 17:41:54 +0200
commit84bfed40fc25dd052620398fdcc19d8c77f02270 (patch)
treee0a8c7df159edfdc745b91de2c8158f939c31e03 /fs/btrfs/extent_io.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
parentBtrfs: fix return value on rename exchange failure (diff)
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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
Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c5
1 files changed, 4 insertions, 1 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