Make rpmstrPoolUnfreeze() safe to call on unfrozen pool

diff --git a/rpmio/rpmstrpool.c b/rpmio/rpmstrpool.c
index 14a6466..87e025e 100644 (file)
--- a/rpmio/rpmstrpool.c
+++ b/rpmio/rpmstrpool.c
@@ -72,7 +72,7 @@ void rpmstrPoolFreeze(rpmstrPool pool)
 
 void rpmstrPoolUnfreeze(rpmstrPool pool)
 {
-    if (pool) {
+    if (pool && pool->hash == NULL) {
        int sizehint = (pool->offs_size / 2) - 1;
        if (sizehint < STRHASH_INITSIZE)
            sizehint = STRHASH_INITSIZE;