Merge tag 'spi-nor/for-5.5' into mtd/next

SPI NOR core changes:
- introduce 'struct spi_nor_controller_ops',
- clean the Register Operations methods,
- use dev_dbg insted of dev_err for low level info,
- fix retlen handling in sst_write(),
- fix silent truncations in spi_nor_read and spi_nor_read_raw(),
- fix the clearing of QE bit on lock()/unlock(),
- rework the disabling of the block write protection,
- rework the Quad Enable methods,
- make sure nor->spimem and nor->controller_ops are mutually exclusive,
- set default Quad Enable method for ISSI flashes,
- add support for few flashes.

SPI NOR controller drivers changes:
- intel-spi:
	- support chips without software sequencer,
	- add support for Intel Cannon Lake and Intel Comet Lake-H flashes.

1 files changed, 13 insertions, 10 deletions

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 2558f00f6b3e..69d4676a402f 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -832,8 +832,7 @@ static struct tc_cookie *nla_memdup_cookie(struct nlattr **tb)
 }
 
 static const struct nla_policy tcf_action_policy[TCA_ACT_MAX + 1] = {
-	[TCA_ACT_KIND]		= { .type = NLA_NUL_STRING,
-				    .len = IFNAMSIZ - 1 },
+	[TCA_ACT_KIND]		= { .type = NLA_STRING },
 	[TCA_ACT_INDEX]		= { .type = NLA_U32 },
 	[TCA_ACT_COOKIE]	= { .type = NLA_BINARY,
 				    .len = TC_COOKIE_MAX_SIZE },
@@ -865,8 +864,10 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
 			NL_SET_ERR_MSG(extack, "TC action kind must be specified");
 			goto err_out;
 		}
-		nla_strlcpy(act_name, kind, IFNAMSIZ);
-
+		if (nla_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) {
+			NL_SET_ERR_MSG(extack, "TC action name too long");
+			goto err_out;
+		}
 		if (tb[TCA_ACT_COOKIE]) {
 			cookie = nla_memdup_cookie(tb);
 			if (!cookie) {
@@ -1352,11 +1353,16 @@ static int tcf_action_add(struct net *net, struct nlattr *nla,
 			  struct netlink_ext_ack *extack)
 {
 	size_t attr_size = 0;
-	int ret = 0;
+	int loop, ret;
 	struct tc_action *actions[TCA_ACT_MAX_PRIO] = {};
 
-	ret = tcf_action_init(net, NULL, nla, NULL, NULL, ovr, 0, actions,
-			      &attr_size, true, extack);
+	for (loop = 0; loop < 10; loop++) {
+		ret = tcf_action_init(net, NULL, nla, NULL, NULL, ovr, 0,
+				      actions, &attr_size, true, extack);
+		if (ret != -EAGAIN)
+			break;
+	}
+
 	if (ret < 0)
 		return ret;
 	ret = tcf_add_notify(net, n, actions, portid, attr_size, extack);
@@ -1406,11 +1412,8 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n,
 		 */
 		if (n->nlmsg_flags & NLM_F_REPLACE)
 			ovr = 1;
-replay:
 		ret = tcf_action_add(net, tca[TCA_ACT_TAB], n, portid, ovr,
 				     extack);
-		if (ret == -EAGAIN)
-			goto replay;
 		break;
 	case RTM_DELACTION:
 		ret = tca_action_gd(net, tca[TCA_ACT_TAB], n,