Fix handling of non-fatal errors in lzma_code().

diff --git a/src/liblzma/common/common.c b/src/liblzma/common/common.c
index 81f783d..dc43fad 100644 (file)
--- a/src/liblzma/common/common.c
+++ b/src/liblzma/common/common.c
@@ -269,14 +269,21 @@ lzma_code(lzma_stream *strm, lzma_action action)
                        strm->internal->sequence = ISEQ_RUN;
                else
                        strm->internal->sequence = ISEQ_END;
-               break;
 
+       // Fall through
+
+       case LZMA_NO_CHECK:
        case LZMA_UNSUPPORTED_CHECK:
+       case LZMA_GET_CHECK:
+       case LZMA_MEMLIMIT_ERROR:
+               // Something else than LZMA_OK, but not a fatal error,
+               // that is, coding may be continued (except if ISEQ_END).
                strm->internal->allow_buf_error = false;
                break;
 
        default:
                // All the other errors are fatal; coding cannot be continued.
+               assert(ret != LZMA_BUF_ERROR);
                strm->internal->sequence = ISEQ_ERROR;
                break;
        }