Error check threadalloc in sys_arch.c

3d835a09 · Silas Boyd-Wickizer · 75b43dcd · 3d835a09
--- a/net/sys_arch.c
+++ b/net/sys_arch.c
@@ -166,6 +166,8 @@ sys_thread_new(const char *name, lwip_thread_fn thread, void *arg,
  struct proc *p;
  
  p = threadalloc(thread, arg);
+  if (p == NULL)
+    panic("lwip: sys_thread_new");
  safestrcpy(p->name, name, sizeof(p->name));

  acquire(&p->lock);