dev: new device driver infra

[vpp.git] / src / vppinfra / vec_bootstrap.h

diff --git a/src/vppinfra/vec_bootstrap.h b/src/vppinfra/vec_bootstrap.h
index 5c827d4..5ea7a80 100644 (file)
--- a/src/vppinfra/vec_bootstrap.h
+++ b/src/vppinfra/vec_bootstrap.h
@@ -239,8 +239,9 @@ _vec_set_len (void *v, uword len, uword elt_sz)
     for ((var) = vec_len ((v)) - 1; (var) >= 0; (var)--)
 
 #define vec_foreach_pointer(e, v)                                             \
-  for (typeof (**v) **__ep = (v), *(e) = *__ep; __ep - (v) < vec_len (v);     \
-       __ep++, (e) = *__ep)
+  if (v)                                                                      \
+    for (typeof (**v) **__ep = (v), *(e) = *__ep; __ep - (v) < vec_len (v);   \
+        __ep++, (e) = *__ep)
 
 #endif /* included_clib_vec_bootstrap_h */