commit e3c6a54995b052045709b1d80039eede1757f43f
author Florin Coras <fcoras@cisco.com> Wed May 19 19:28:40 2021 -0700
committer Damjan Marion <dmarion@me.com> Thu May 20 10:03:57 2021 +0000
tree 0be3cb21df3fc374f5f1ee70de47ae997d384de7
parent 05bc33c15d814409933d741f6c88c450c4392fc9

tls svm: prealloc tcp fifo chunks before ssl write

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I7c47b55ec6f0c83f2d13e0e737d0559a32f7c837

src/svm/svm_fifo.c

diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index 14eeb1c..2150694 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -1257,6 +1257,9 @@
   if (n_avail < len && f_try_chunk_alloc (f, head, tail, len))
     return SVM_FIFO_EGROW;
 
+  if (!fs || !n_segs)
+    return 0;
+
   c = f_tail_cptr (f);
   head_pos = (tail - c->start_byte);
   fs[0].data = c->data + head_pos;