5 files changed, 17 insertions, 5 deletions
diff --git a/src/mpack/conv.c b/src/mpack/conv.c
index 203b13fadb..6bd446ca49 100644
--- a/src/mpack/conv.c
+++ b/src/mpack/conv.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include "conv.h"
 
 static int mpack_fits_single(double v);
@@ -298,7 +301,6 @@ MPACK_API double mpack_unpack_number(mpack_token_t t)
      */
     if (!hi) {
       assert(t.length <= 4);
-      hi = 0;
       lo = (~lo & (((mpack_uint32_t)1 << ((t.length * 8) - 1)) - 1));
     } else {
       hi = ~hi;
diff --git a/src/mpack/lmpack.c b/src/mpack/lmpack.c
index 99207246c8..24d27fd17a 100644
--- a/src/mpack/lmpack.c
+++ b/src/mpack/lmpack.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * This module exports three classes, and each instance of those classes has its
  * own private registry for temporary reference storage(keeping state between
@@ -201,14 +204,14 @@ static void lmpack_pushnil(lua_State *L)
 static mpack_uint32_t lmpack_objlen(lua_State *L, int *is_array)
 {
   size_t len, max;
-  int isarr, type;
+  int isarr;
   lua_Number n;
 #ifndef NDEBUG
   int top = lua_gettop(L);
   assert(top);
 #endif
 
-  if ((type = lua_type(L, -1)) != LUA_TTABLE) {
+  if ((lua_type(L, -1)) != LUA_TTABLE) {
 #if LUA_VERSION_NUM >= 502
     len = lua_rawlen(L, -1);
 #elif LUA_VERSION_NUM == 501
@@ -442,7 +445,6 @@ static int lmpack_unpacker_unpack_str(lua_State *L, Unpacker *unpacker,
     if (rv == MPACK_NOMEM) {
       unpacker->parser = lmpack_grow_parser(unpacker->parser);
       if (!unpacker->parser) {
-        unpacker->unpacking = 0;
         return luaL_error(L, "failed to grow Unpacker capacity");
       }
     }
@@ -796,7 +798,6 @@ static int lmpack_packer_pack(lua_State *L)
     if (result == MPACK_NOMEM) {
       packer->parser = lmpack_grow_parser(packer->parser);
       if (!packer->parser) {
-        packer->packing = 0;
         return luaL_error(L, "Failed to grow Packer capacity");
       }
     }
diff --git a/src/mpack/mpack_core.c b/src/mpack/mpack_core.c
index 0ad09bd46a..f8ca63b7a3 100644
--- a/src/mpack/mpack_core.c
+++ b/src/mpack/mpack_core.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <string.h>
 
 #include "mpack_core.h"
diff --git a/src/mpack/object.c b/src/mpack/object.c
index 0c7759ee51..e2d893bc88 100644
--- a/src/mpack/object.c
+++ b/src/mpack/object.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <string.h>
 
 #include "object.h"
diff --git a/src/mpack/rpc.c b/src/mpack/rpc.c
index 3b2b328065..2d251284ba 100644
--- a/src/mpack/rpc.c
+++ b/src/mpack/rpc.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <string.h>
 
 #include "rpc.h"