Btrfs: fix extent_buffer leak in the metadata IO error handling
The scrub readahead branch brought in a new error handling hook,
but it was leaking extent_buffer references.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0eb1f09..40a62b9 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -644,6 +644,7 @@
clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags);
btree_readahead_hook(root, eb, eb->start, -EIO);
}
+ free_extent_buffer(eb);
out:
return -EIO; /* we fixed nothing */