commit 5f0e36eeb236a507631e9c822e43f742b7b6738a
author Gary Palmer <tarpmaster@users.noreply.github.com> Thu Jul 02 15:49:06 2020 -0700
committer GitHub <noreply@github.com> Thu Jul 02 15:49:06 2020 -0700
tree 786cef383adb248fad79f3c678fb841dc28a5935
parent 4584deeae0d43a3dc2cf40ff01a46d4f902ed83a

[mac-frame] remove unused variable in TxFrame::ProcessTransmitAesCcm() (#5185)

Eliminated an unused variable discovered when building using IAR.

src/core/mac/mac_frame.cpp

diff --git a/src/core/mac/mac_frame.cpp b/src/core/mac/mac_frame.cpp
index 51d42de..1e23c53 100644
--- a/src/core/mac/mac_frame.cpp
+++ b/src/core/mac/mac_frame.cpp
@@ -1040,12 +1040,11 @@
     uint8_t        nonce[Crypto::AesCcm::kNonceSize];
     uint8_t        tagLength;
     Crypto::AesCcm aesCcm;
-    otError        error;
 
     VerifyOrExit(GetSecurityEnabled(), OT_NOOP);
 
-    SuccessOrExit(error = GetSecurityLevel(securityLevel));
-    SuccessOrExit(error = GetFrameCounter(frameCounter));
+    SuccessOrExit(GetSecurityLevel(securityLevel));
+    SuccessOrExit(GetFrameCounter(frameCounter));
 
     Crypto::AesCcm::GenerateNonce(aExtAddress, frameCounter, securityLevel, nonce);