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| author | Josef Bacik <jbacik@fusionio.com> | 2013-05-08 13:30:11 -0400 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2013-05-17 21:40:12 -0400 |
| commit | 69a85bd87cc81bcbd36730d4a1214c12fdb8a548 (patch) | |
| tree | be462401400f8df123ba89296c300d95fb804fc2 /fs | |
| parent | 03b71c6ca6286625d8f1ed44aabab9b5bf5dac10 (diff) | |
| download | lwn-69a85bd87cc81bcbd36730d4a1214c12fdb8a548.tar.gz lwn-69a85bd87cc81bcbd36730d4a1214c12fdb8a548.zip | |
Btrfs: don't null pointer deref on abort
I'm sorry, theres no excuse for this sort of work. We need to use
root->leafsize since eb may be NULL. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 72b17276c255..e8b29da30154 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3808,7 +3808,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, while (start <= end) { eb = btrfs_find_tree_block(root, start, root->leafsize); - start += eb->len; + start += root->leafsize; if (!eb) continue; wait_on_extent_buffer_writeback(eb); |