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-rw-r--r--fs/btrfs/disk-io.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 13564354c927..2a378abb03fb 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1149,6 +1149,10 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
return NULL;
ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid);
+ if (ret) {
+ free_extent_buffer(buf);
+ return NULL;
+ }
return buf;
}
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