[PATCH] openvswitch: using nla_for_each_X to simplify the code
From: Wei Yongjun <hidden>
Date: 2012-10-07 13:42:42
From: Wei Yongjun <redacted> Using nla_for_each_nested() or nla_for_each_attr() to simplify the code. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <redacted> --- net/openvswitch/actions.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 0811447..b67594f 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c@@ -288,8 +288,7 @@ static int output_userspace(struct datapath *dp, struct sk_buff *skb, upcall.userdata = NULL; upcall.portid = 0; - for (a = nla_data(attr), rem = nla_len(attr); rem > 0; - a = nla_next(a, &rem)) { + nla_for_each_nested(a, attr, rem) { switch (nla_type(a)) { case OVS_USERSPACE_ATTR_USERDATA: upcall.userdata = a;
@@ -311,8 +310,7 @@ static int sample(struct datapath *dp, struct sk_buff *skb, const struct nlattr *a; int rem; - for (a = nla_data(attr), rem = nla_len(attr); rem > 0; - a = nla_next(a, &rem)) { + nla_for_each_nested(a, attr, rem) { switch (nla_type(a)) { case OVS_SAMPLE_ATTR_PROBABILITY: if (net_random() >= nla_get_u32(a))
@@ -371,8 +369,7 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb, const struct nlattr *a; int rem; - for (a = attr, rem = len; rem > 0; - a = nla_next(a, &rem)) { + nla_for_each_attr(a, attr, len, rem) { int err = 0; if (prev_port != -1) {