diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-08-15 20:43:46 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-08-15 20:43:46 +0200 |
| commit | f85a6597a6ce33fe4f390744b2764b30aa7bfda8 (patch) | |
| tree | 9b923afc20e7d3a7e78f98d600fd7e6633b4265b /fs/btrfs/extent_io.c | |
| parent | 140d37de62ffe8405282a1d6498f3b4099006384 (diff) | |
| parent | 44ffb69ec617f64cd83182e8b64d93b84758d636 (diff) | |
Merge tag 'asoc-v3.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.11
A few driver specific fixes here plus one core fix for a memory
corruption issue in DAPM initialisation which could lead to crashes.
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 583d98bd065..fe443fece85 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4048,7 +4048,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, } while (!end) { - u64 offset_in_extent; + u64 offset_in_extent = 0; /* break if the extent we found is outside the range */ if (em->start >= max || extent_map_end(em) < off) @@ -4064,9 +4064,12 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, /* * record the offset from the start of the extent - * for adjusting the disk offset below + * for adjusting the disk offset below. Only do this if the + * extent isn't compressed since our in ram offset may be past + * what we have actually allocated on disk. */ - offset_in_extent = em_start - em->start; + if (!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) + offset_in_extent = em_start - em->start; em_end = extent_map_end(em); em_len = em_end - em_start; emflags = em->flags; |