[PATCH 1/2] read-cache: fix memleak

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`ce` is allocated in make_cache_entry and should be freed if it is not
used any more. refresh_cache_entry as a wrapper around refresh_cache_ent
will either return `ce` or a new updated cache entry which is allocated
to new memory. In that case we need to free `ce` ourselfs.

Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 read-cache.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/read-cache.c b/read-cache.c
index 60abec6..a102565 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -746,12 +746,9 @@ struct cache_entry *make_cache_entry(unsigned int mode,
 	ce->ce_mode = create_ce_mode(mode);
 
 	ret = refresh_cache_entry(ce, refresh_options);
-	if (!ret) {
+	if (ret != ce)
 		free(ce);
-		return NULL;
-	} else {
-		return ret;
-	}
+	return ret;
 }
 
 int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
-- 
2.3.0.81.gc37f363

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