Merge tag 'batadv-next-for-davem-20200427' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - fix spelling error, by Sven Eckelmann

 - drop unneeded types.h include, by Sven Eckelmann

 - change random number generation to prandom_u32_max(),
   by Sven Eckelmann

 - remove unused function batadv_arp_change_timeout(), by Yue Haibing
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

7 files changed, 7 insertions, 13 deletions

diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index a7c8dd7ae513..e87f19c82e8d 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -280,7 +280,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv)
 	unsigned int msecs;
 
 	msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
-	msecs += prandom_u32() % (2 * BATADV_JITTER);
+	msecs += prandom_u32_max(2 * BATADV_JITTER);
 
 	return jiffies + msecs_to_jiffies(msecs);
 }
@@ -288,7 +288,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv)
 /* when do we schedule a ogm packet to be sent */
 static unsigned long batadv_iv_ogm_fwd_send_time(void)
 {
-	return jiffies + msecs_to_jiffies(prandom_u32() % (BATADV_JITTER / 2));
+	return jiffies + msecs_to_jiffies(prandom_u32_max(BATADV_JITTER / 2));
 }
 
 /* apply hop penalty for a normal link */
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 1e3172db7492..353e49c40e7f 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -49,7 +49,7 @@ static void batadv_v_elp_start_timer(struct batadv_hard_iface *hard_iface)
 	unsigned int msecs;
 
 	msecs = atomic_read(&hard_iface->bat_v.elp_interval) - BATADV_JITTER;
-	msecs += prandom_u32() % (2 * BATADV_JITTER);
+	msecs += prandom_u32_max(2 * BATADV_JITTER);
 
 	queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.elp_wq,
 			   msecs_to_jiffies(msecs));
diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
index 969466218999..0959d32be65c 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -88,7 +88,7 @@ static void batadv_v_ogm_start_queue_timer(struct batadv_hard_iface *hard_iface)
 	unsigned int msecs = BATADV_MAX_AGGREGATION_MS * 1000;
 
 	/* msecs * [0.9, 1.1] */
-	msecs += prandom_u32() % (msecs / 5) - (msecs / 10);
+	msecs += prandom_u32_max(msecs / 5) - (msecs / 10);
 	queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.aggr_wq,
 			   msecs_to_jiffies(msecs / 1000));
 }
@@ -107,7 +107,7 @@ static void batadv_v_ogm_start_timer(struct batadv_priv *bat_priv)
 		return;
 
 	msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
-	msecs += prandom_u32() % (2 * BATADV_JITTER);
+	msecs += prandom_u32_max(2 * BATADV_JITTER);
 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bat_v.ogm_wq,
 			   msecs_to_jiffies(msecs));
 }
diff --git a/net/batman-adv/distributed-arp-table.h b/net/batman-adv/distributed-arp-table.h
index 2bff2f4a325c..4e031661682a 100644
--- a/net/batman-adv/distributed-arp-table.h
+++ b/net/batman-adv/distributed-arp-table.h
@@ -163,11 +163,6 @@ static inline void batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
 {
 }
 
-static inline void batadv_arp_change_timeout(struct net_device *soft_iface,
-					     const char *name)
-{
-}
-
 static inline int batadv_dat_init(struct batadv_priv *bat_priv)
 {
 	return 0;
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 2a234d0ad445..61d8dbe8c954 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -13,7 +13,7 @@
 #define BATADV_DRIVER_DEVICE "batman-adv"
 
 #ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2020.1"
+#define BATADV_SOURCE_VERSION "2020.2"
 #endif
 
 /* B.A.T.M.A.N. parameters */
diff --git a/net/batman-adv/trace.h b/net/batman-adv/trace.h
index f631b1e01b89..a87547570b4e 100644
--- a/net/batman-adv/trace.h
+++ b/net/batman-adv/trace.h
@@ -15,7 +15,6 @@
 #include <linux/percpu.h>
 #include <linux/printk.h>
 #include <linux/tracepoint.h>
-#include <linux/types.h>
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM batadv
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 4a17a66cc572..d152b8e81f61 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -1086,7 +1086,7 @@ struct batadv_priv_bla {
  * struct batadv_priv_debug_log - debug logging data
  */
 struct batadv_priv_debug_log {
-	/** @log_buff: buffer holding the logs (ring bufer) */
+	/** @log_buff: buffer holding the logs (ring buffer) */
 	char log_buff[BATADV_LOG_BUF_LEN];
 
 	/** @log_start: index of next character to read */