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authorJason A. Donenfeld <Jason@zx2c4.com>2022-10-09 20:44:02 -0600
committerJason A. Donenfeld <Jason@zx2c4.com>2022-11-18 02:15:15 +0100
commit8032bf1233a74627ce69b803608e650f3f35971c (patch)
tree1e15cd719358130192c59b8d5a61a0c3c9fbe82c /net/batman-adv
parent7f576b2593a978451416424e75f69ad1e3ae4efe (diff)
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treewide: use get_random_u32_below() instead of deprecated function
This is a simple mechanical transformation done by: @@ expression E; @@ - prandom_u32_max + get_random_u32_below (E) Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs Reviewed-by: SeongJae Park <sj@kernel.org> # for damon Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/bat_iv_ogm.c4
-rw-r--r--net/batman-adv/bat_v_elp.c2
-rw-r--r--net/batman-adv/bat_v_ogm.c4
-rw-r--r--net/batman-adv/network-coding.c2
4 files changed, 6 insertions, 6 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 7f6a7c96ac92..114ee5da261f 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_max(2 * BATADV_JITTER);
+ msecs += get_random_u32_below(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_max(BATADV_JITTER / 2));
+ return jiffies + msecs_to_jiffies(get_random_u32_below(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 f1741fbfb617..f9a58fb5442e 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -51,7 +51,7 @@ 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_max(2 * BATADV_JITTER);
+ msecs += get_random_u32_below(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 033639df96d8..addfd8c4fe95 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -90,7 +90,7 @@ 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_max(msecs / 5) - (msecs / 10);
+ msecs += get_random_u32_below(msecs / 5) - (msecs / 10);
queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.aggr_wq,
msecs_to_jiffies(msecs / 1000));
}
@@ -109,7 +109,7 @@ 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_max(2 * BATADV_JITTER);
+ msecs += get_random_u32_below(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/network-coding.c b/net/batman-adv/network-coding.c
index 5f4aeeb60dc4..bf29fba4dde5 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1009,7 +1009,7 @@ static struct batadv_nc_path *batadv_nc_get_path(struct batadv_priv *bat_priv,
static u8 batadv_nc_random_weight_tq(u8 tq)
{
/* randomize the estimated packet loss (max TQ - estimated TQ) */
- u8 rand_tq = prandom_u32_max(BATADV_TQ_MAX_VALUE + 1 - tq);
+ u8 rand_tq = get_random_u32_below(BATADV_TQ_MAX_VALUE + 1 - tq);
/* convert to (randomized) estimated tq again */
return BATADV_TQ_MAX_VALUE - rand_tq;