After reading one of chunk or tree root tree's root node from disk, if the
root node does not have EXTENT_BUFFER_UPTODATE flag set, we fail to release
the memory used by the root node. Fix this.
Signed-off-by: Chandan Rajendra <chandan@xxxxxxxxxxxxxxxxxx>
---
fs/btrfs/disk-io.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index aa59871..807f685 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2842,6 +2842,8 @@ int open_ctree(struct super_block *sb,
!extent_buffer_uptodate(chunk_root->node)) {
printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n",
sb->s_id);
+ if (!IS_ERR(chunk_root->node))
+ free_extent_buffer(chunk_root->node);
chunk_root->node = NULL;
goto fail_tree_roots;
}
@@ -2880,6 +2882,8 @@ retry_root_backup:
!extent_buffer_uptodate(tree_root->node)) {
printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
sb->s_id);
+ if (!IS_ERR(tree_root->node))
+ free_extent_buffer(tree_root->node);
tree_root->node = NULL;
goto recovery_tree_root;
}
--
2.1.0
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