From: Steven <sluong@cisco.com>
Date: Thu, 1 Jun 2017 21:25:15 +0000 (-0700)
Subject: memif: fix coverity warnings
X-Git-Tag: v17.07-rc1~99
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;ds=sidebyside;h=f98bb74372410ed207891b744285cdb0618b560b;p=vpp.git

memif: fix coverity warnings

Check -1 for return from read prior to using the data

Change-Id: Ibab7309244de488737ea7938b334fab495bf855d
Signed-off-by: Steven <sluong@cisco.com>
---

diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index a671bda51f7..7d2a09a2a63 100644
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -472,6 +472,8 @@ memif_int_fd_read_ready (unix_file_t * uf)
       mif->interrupt_line.index = ~0;
       mif->interrupt_line.fd = -1;
     }
+  else if (size < 0)
+    DEBUG_UNIX_LOG ("Failed to read from socket");
   else
     vnet_device_input_set_interrupt_pending (vnm, mif->hw_if_index, b);