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[PATCH v3 2/2] read-cache: plug a few leaks

From
Felipe Contreras <felipe.contreras@gmail.com>
Date
Jun 7, 2013, 22:29 UTC
Message-ID
<1370644168-4745-3-git-send-email-felipe.contreras@gmail.com>
In-Reply-To
<1370644168-4745-1-git-send-email-felipe.contreras@gmail.com>
We are not freeing 'istate->cache' properly.

We can't rely on 'initialized' to keep track of the 'istate->cache', because it doesn't really mean it's initialized. So assume it always has data, and free it before overwriting it.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 read-cache.c | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/read-cache.c b/read-cache.c
index 5e30746..a1dd04d 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -1451,6 +1451,7 @@ int read_index_from(struct index_state *istate, const char *path)
 	istate->version = ntohl(hdr->hdr_version);
 	istate->cache_nr = ntohl(hdr->hdr_entries);
 	istate->cache_alloc = alloc_nr(istate->cache_nr);
+	free(istate->cache);
 	istate->cache = xcalloc(istate->cache_alloc, sizeof(*istate->cache));
 	istate->initialized = 1;
 
@@ -1512,6 +1513,9 @@ int discard_index(struct index_state *istate)
 
 	for (i = 0; i < istate->cache_nr; i++)
 		free(istate->cache[i]);
+	free(istate->cache);
+	istate->cache = NULL;
+	istate->cache_alloc = 0;
 	resolve_undo_clear_index(istate);
 	istate->cache_nr = 0;
 	istate->cache_changed = 0;
-- 
1.8.3.698.g079b096
Previous: Felipe ContrerasNext: René Scharfe
Message 3 of 16 in “cherry-pick: fix memory leaks”
  1. 0/2 cherry-pick: fix memory leaksFelipe Contreras, Jun 7, 2013
  2. 1/2 unpack-trees: plug a memory leakFelipe Contreras, Jun 7, 2013
  3. 2/2 read-cache: plug a few leaksFelipe Contreras, Jun 7, 2013
  4. René ScharfeJun 8, 2013
  5. Felipe ContrerasJun 8, 2013
  6. René ScharfeJun 8, 2013
  7. Felipe ContrerasJun 8, 2013
  8. René ScharfeJun 8, 2013
  9. Felipe ContrerasJun 8, 2013
  10. René ScharfeJun 8, 2013
  11. Felipe ContrerasJun 8, 2013
  12. René ScharfeJun 9, 2013
  13. Felipe ContrerasJun 9, 2013
  14. René ScharfeJun 9, 2013
  15. Felipe ContrerasJun 9, 2013
  16. Junio C HamanoJun 9, 2013

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