# \[PATCH v5 03/16\] reftable: fix resource leak blocksource.c

- From: Han-Wen Nienhuys via GitGitGadget \<hidden\>
- Date: 2021-12-22 18:56:45 
- List: git
- Page: https://ratatoskr.run/git/2021/12/7916648
- Thread: https://ratatoskr.run/git/2021/12/7914155/t.md

```text
From: Han-Wen Nienhuys <redacted>

This would be triggered in the unlikely event of fstat() failing on an opened
file.

Signed-off-by: Han-Wen Nienhuys <redacted>
---
 reftable/blocksource.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/reftable/blocksource.c b/reftable/blocksource.c
index 0044eecd9aa..2605371c28d 100644
--- a/reftable/blocksource.c
+++ b/reftable/blocksource.c
@@ -134,8 +134,10 @@ int reftable_block_source_from_file(struct reftable_block_source *bs,
 	}
 
 	err = fstat(fd, &st);
-	if (err < 0)
-		return -1;
+	if (err < 0) {
+		close(fd);
+		return REFTABLE_IO_ERROR;
+	}
 
 	p = reftable_calloc(sizeof(struct file_block_source));
 	p->size = st.st_size;
-- 
gitgitgadget

```