diff options
| author | Tsutomu Itoh <t-itoh@jp.fujitsu.com> | 2012-10-01 03:08:37 -0600 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-10-09 09:15:42 -0400 |
| commit | f0bd95ea72644cbf9210606f6f8edfce13d65d47 (patch) | |
| tree | 1d0c37da707984971f14f48966b40d5c86ea63ee | |
| parent | 18ec90d63f43cf785f6e73e7a7db546bff3fa380 (diff) | |
Btrfs: confirmation of value is added before trace_btrfs_get_extent() is called
We should confirm the value of extent_map before calling
trace_btrfs_get_extent() because the value of extent_map has the
possibility of NULL.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
| -rw-r--r-- | fs/btrfs/inode.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index d24b6501461..f92def2467a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5505,7 +5505,8 @@ insert: write_unlock(&em_tree->lock); out: - trace_btrfs_get_extent(root, em); + if (em) + trace_btrfs_get_extent(root, em); if (path) btrfs_free_path(path); |