Static code analysis scan issue fix

Fix the issues found during code static scan

Tested:
test in board, BMC can get SMBIOS data.

Change-Id: Ib4cd8e86251d5c2c10ce8a4968fb49db20e1bf1e
Signed-off-by: Chen,Yugang <yugang.chen@linux.intel.com>

3 files changed, 15 insertions, 0 deletions

diff --git a/services/smbios-mdrv2/src/cpu.cpp b/services/smbios-mdrv2/src/cpu.cpp
index a0e2840..cda96da 100644
--- a/services/smbios-mdrv2/src/cpu.cpp
+++ b/services/smbios-mdrv2/src/cpu.cpp
@@ -158,6 +158,11 @@ void Cpu::processorInfoUpdate(void)
     uint8_t *dataIn = storage;
 
     dataIn = getSMBIOSTypePtr(dataIn, processorsType);
+    if (dataIn == nullptr)
+    {
+        return;
+    }
+
     for (uint8_t index = 0; index < cpuNum; index++)
     {
         dataIn = smbiosNextPtr(dataIn);
diff --git a/services/smbios/src/cpu.cpp b/services/smbios/src/cpu.cpp
index b6cd382..a92d9e6 100644
--- a/services/smbios/src/cpu.cpp
+++ b/services/smbios/src/cpu.cpp
@@ -159,6 +159,11 @@ void Cpu::processorInfoUpdate(void)
     uint8_t *dataIn = regionS[0].regionData;
 
     dataIn = smbiosTypePtr(dataIn, processorsType);
+    if (dataIn == nullptr)
+    {
+        return;
+    }
+
     for (uint8_t index = 0; index < cpuNum; index++)
     {
         dataIn = smbiosNextPtr(dataIn);
diff --git a/services/smbios/src/dimm.cpp b/services/smbios/src/dimm.cpp
index 6ac31aa..c4c1d15 100644
--- a/services/smbios/src/dimm.cpp
+++ b/services/smbios/src/dimm.cpp
@@ -28,6 +28,11 @@ void Dimm::memoryInfoUpdate(void)
     uint8_t *dataIn = regionS[0].regionData;
 
     dataIn = smbiosTypePtr(dataIn, memoryDeviceType);
+    if (dataIn == nullptr)
+    {
+        return;
+    }
+
     for (uint8_t index = 0; index < dimmNum; index++)
     {
         dataIn = smbiosNextPtr(dataIn);