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-rw-r--r--read-cache.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/read-cache.c b/read-cache.c
index f0ba224..a857c8e 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -1159,7 +1159,7 @@ int read_index_from(struct index_state *istate, const char *path)
size_t mmap_size;
errno = EBUSY;
- if (istate->alloc)
+ if (istate->initialized)
return istate->cache_nr;
errno = ENOENT;
@@ -1199,6 +1199,7 @@ int read_index_from(struct index_state *istate, const char *path)
* index size
*/
istate->alloc = xmalloc(estimate_cache_size(mmap_size, istate->cache_nr));
+ istate->initialized = 1;
src_offset = sizeof(*hdr);
dst_offset = 0;
@@ -1251,6 +1252,7 @@ int discard_index(struct index_state *istate)
cache_tree_free(&(istate->cache_tree));
free(istate->alloc);
istate->alloc = NULL;
+ istate->initialized = 0;
/* no need to throw away allocated active_cache */
return 0;