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-rw-r--r--src/liblzma/common/stream_encoder_multi.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/liblzma/common/stream_encoder_multi.c b/src/liblzma/common/stream_encoder_multi.c
index 33b4efd9..403980cf 100644
--- a/src/liblzma/common/stream_encoder_multi.c
+++ b/src/liblzma/common/stream_encoder_multi.c
@@ -276,8 +276,12 @@ stream_encode(lzma_coder *coder, lzma_allocator *allocator,
// Don't create an empty Block unless it would be
// the only Data Block.
if (*in_pos == in_size) {
+ // If we are LZMA_SYNC_FLUSHing or LZMA_FULL_FLUSHing,
+ // return LZMA_STREAM_END since there's nothing to
+ // flush.
if (action != LZMA_FINISH)
- return LZMA_OK;
+ return action == LZMA_RUN
+ ? LZMA_OK : LZMA_STREAM_END;
if (lzma_info_index_count_get(coder->info) != 0) {
if (lzma_info_index_finish(coder->info))