[PATCH v2 07/11] reftable: fix NULL derefs in error paths

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From: Han-Wen Nienhuys <hanwen@xxxxxxxxxx>

Spotted by Coverity.

Signed-off-by: Han-Wen Nienhuys <hanwen@xxxxxxxxxx>
---
 reftable/reader.c | 3 ++-
 reftable/stack.c  | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/reftable/reader.c b/reftable/reader.c
index 006709a645a..8d308d858f8 100644
--- a/reftable/reader.c
+++ b/reftable/reader.c
@@ -796,6 +796,7 @@ int reftable_reader_print_file(const char *tablename)
 	reftable_table_from_reader(&tab, r);
 	err = reftable_table_print(&tab);
 done:
-	reftable_reader_free(r);
+	if (r)
+		reftable_reader_free(r);
 	return err;
 }
diff --git a/reftable/stack.c b/reftable/stack.c
index 10dfd370e8e..eb03b6c74f6 100644
--- a/reftable/stack.c
+++ b/reftable/stack.c
@@ -707,7 +707,8 @@ done:
 	strbuf_release(&temp_tab_file_name);
 	strbuf_release(&tab_file_name);
 	strbuf_release(&next_name);
-	reftable_writer_free(wr);
+	if (wr)
+		reftable_writer_free(wr);
 	return err;
 }
 
-- 
gitgitgadget




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