diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-10-10 05:44:02 +0300 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-11-18 04:15:15 +0300 |
| commit | 8032bf1233a74627ce69b803608e650f3f35971c (patch) | |
| tree | 1e15cd719358130192c59b8d5a61a0c3c9fbe82c /net/batman-adv | |
| parent | 7f576b2593a978451416424e75f69ad1e3ae4efe (diff) | |
| download | linux-8032bf1233a74627ce69b803608e650f3f35971c.tar.xz | |
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.c | 4 | ||||
| -rw-r--r-- | net/batman-adv/bat_v_elp.c | 2 | ||||
| -rw-r--r-- | net/batman-adv/bat_v_ogm.c | 4 | ||||
| -rw-r--r-- | net/batman-adv/network-coding.c | 2 |
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; |