Avoid read null pointer file

2021-06-09 12:37:16 +01:00
parent 12f7f82391
commit 09a6d825b7
1 changed files with 7 additions and 4 deletions
@@ -101,10 +101,13 @@ static int baseRunTimeCommand(char* cmd) {
  size_t retSize = 0;

  fp = popen(cmd, "r");
-
-  memset(cmd, 1, sizeof(*cmd));
-  retSize = fread(cmd, 1, sizeof(*cmd), fp);
-  fclose(fp);
+  if(fp) {
+    memset(cmd, 1, sizeof(*cmd));
+    retSize = fread(cmd, 1, sizeof(*cmd), fp);
+    fclose(fp);
+  } else {
+    LOG_D(HW,"%s:%d:%s: Cannot open %s\n", __FILE__, __LINE__, __FUNCTION__, cmd);
+  }

  if (retSize == 0) {
    return 0;