try to consume available data if Z_FINISH is used

diff --git a/arch/x86/deflate_quick.c b/arch/x86/deflate_quick.c
index 0c5196926b609c3feb4504294063859c8fbd7814..199ec73456ce8b809a50cb58f3039a91596f96e4 100644 (file)
--- a/arch/x86/deflate_quick.c
+++ b/arch/x86/deflate_quick.c
@@ -230,7 +230,9 @@ ZLIB_INTERNAL block_state deflate_quick(deflate_state *s, int flush) {
     do {
         if (s->pending + 4 >= s->pending_buf_size) {
             flush_pending(s->strm);
-            return need_more;
+            if (flush != Z_FINISH) {
+                return need_more;
+            }
         }
 
         if (s->lookahead < MIN_LOOKAHEAD) {