bugfix: ipmi: set dataLen to zero when appropriate

On failures (or some silent success), set the return
buffer length to 0.

Change-Id: I118788ffddd2bfc031b3392db4cf13ab04b49287
Signed-off-by: Patrick Venture <venture@google.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
index 7bbae28..bc93ddd 100644
--- a/main.cpp
+++ b/main.cpp
@@ -53,6 +53,7 @@ static ipmi_ret_t handleBlobCommand(ipmi_cmd_t cmd, const uint8_t* reqBuf,
         validateBlobCommand(&crc, reqBuf, replyCmdBuf, dataLen, &rc);
     if (command == nullptr)
     {
+        (*dataLen) = 0;
         return rc;
     }