diff --git a/libc/unistd/lib_execl.c b/libc/unistd/lib_execl.c
index aa57c4cb52e..ba5551066f4 100644
--- a/libc/unistd/lib_execl.c
+++ b/libc/unistd/lib_execl.c
@@ -40,7 +40,9 @@
 #include <nuttx/config.h>
 
 #include <stdarg.h>
+#include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 
 #ifdef CONFIG_LIBC_EXECFUNCS
 
@@ -155,7 +157,7 @@ int execl(FAR const char *path, ...)
   if (nargs > 0)
     {
       argv = (FAR char **)malloc((nargs + 1) * sizeof(FAR char *));
-      if (argv = (FAR char **)NULL)
+      if (argv == (FAR char **)NULL)
         {
           set_errno(ENOMEM);
           return ERROR;
diff --git a/sched/task/task_setup.c b/sched/task/task_setup.c
index 03ee33017c9..1b838eea34b 100644
--- a/sched/task/task_setup.c
+++ b/sched/task/task_setup.c
@@ -496,7 +496,7 @@ static inline int task_stackargsetup(FAR struct task_tcb_s *tcb,
            */
 
           strtablen += (strlen(argv[argc]) + 1);
-          if (strtablen >= tcb->adj_stack_size)
+          if (strtablen >= tcb->cmn.adj_stack_size)
             {
                return -ENAMETOOLONG;
             }