xpress_compress(): Initialize all data written

[wimlib] / src / resource.c

diff --git a/src/resource.c b/src/resource.c
index cd098f92ad5e6edd5990aa68971e5351b1007237..d35d936a71fea0ad16a6da9fd38dc1b798d9b65a 100644 (file)
--- a/src/resource.c
+++ b/src/resource.c
@@ -554,11 +554,10 @@ begin_wim_resource_chunk_tab(const struct lookup_table_entry *lte,
 {
        u64 size = wim_resource_size(lte);
        u64 num_chunks = (size + WIM_CHUNK_SIZE - 1) / WIM_CHUNK_SIZE;
-       struct chunk_table *chunk_tab = MALLOC(sizeof(struct chunk_table) +
-                                              num_chunks * sizeof(u64));
-       int ret = 0;
+       size_t alloc_size = sizeof(struct chunk_table) + num_chunks * sizeof(u64);
+       struct chunk_table *chunk_tab = CALLOC(1, alloc_size);
+       int ret;
 
-       wimlib_assert(size != 0);
 
        if (!chunk_tab) {
                ERROR("Failed to allocate chunk table for %"PRIu64" byte "
@@ -583,8 +582,9 @@ begin_wim_resource_chunk_tab(const struct lookup_table_entry *lte,
                goto out;
        }
 
-       *chunk_tab_ret = chunk_tab;
+       ret = 0;
 out:
+       *chunk_tab_ret = chunk_tab;
        return ret;
 }