From 7b41d66962c6a54fefdd249ac67d82ea5a915b90 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sat, 17 Jan 2015 10:01:55 -0600
Subject: [PATCH] Tiva Ethernet:  Remove assertion.  Just log and error and
 continue

---
 arch/arm/src/tiva/tm4c_ethernet.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/src/tiva/tm4c_ethernet.c b/arch/arm/src/tiva/tm4c_ethernet.c
index 14acdab76c7..a0928b326f4 100644
--- a/arch/arm/src/tiva/tm4c_ethernet.c
+++ b/arch/arm/src/tiva/tm4c_ethernet.c
@@ -1665,7 +1665,12 @@ static void tiva_receive(FAR struct tiva_ethmac_s *priv)
    * flasher leaves the hardware in a bad state(?).
    */
 
-  DEBUGASSERT(dev->d_buf != NULL);
+  // DEBUGASSERT(dev->d_buf != NULL);
+  if (dev->d_buf == NULL)
+    {
+      nlldbg("ERROR: Ignoring NULL I/O buffer\n");
+      return;
+    }
 
   /* Loop while while tiva_recvframe() successfully retrieves valid
    * Ethernet frames.