MINOR: mux-h2: remove useless check for empty frame length in h2s_decode_headers()

This test for an empty frame was already performed in the callers, there
is no need for checking it again.

diff --git a/src/mux_h2.c b/src/mux_h2.c
index 16082799c016d470a1e13dbd185524f3fc4c07f0..dae53c6c52e6bf1eb0cdf12c05a10ce0437f5f44 100644 (file)
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -3143,12 +3143,6 @@ static int h2s_decode_headers(struct h2s *h2s)
        int wrap;
        int try = 0;
 
-       if (!h2c->dfl) {
-               /* RFC7540#4.2 */
-               h2c_error(h2c, H2_ERR_FRAME_SIZE_ERROR); // empty headers frame!
-               goto fail;
-       }
-
        if (b_data(&h2c->dbuf) < h2c->dfl && !b_full(&h2c->dbuf))
                return 0; // incomplete input frame