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 <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Darrick J. Wong <[email protected]> # for xfs
Reviewed-by: SeongJae Park <[email protected]> # for damon
Reviewed-by: Jason Gunthorpe <[email protected]> # for infiniband
Reviewed-by: Russell King (Oracle) <[email protected]> # for arm
Acked-by: Ulf Hansson <[email protected]> # for mmc
Signed-off-by: Jason A. Donenfeld <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireguard/timers.c b/drivers/net/wireguard/timers.c
index d54d32ac9bc4..b5706b6718b1 100644
--- a/drivers/net/wireguard/timers.c
+++ b/drivers/net/wireguard/timers.c
@@ -147,7 +147,7 @@ void wg_timers_data_sent(struct wg_peer *peer)
 	if (!timer_pending(&peer->timer_new_handshake))
 		mod_peer_timer(peer, &peer->timer_new_handshake,
 			jiffies + (KEEPALIVE_TIMEOUT + REKEY_TIMEOUT) * HZ +
-			prandom_u32_max(REKEY_TIMEOUT_JITTER_MAX_JIFFIES));
+			get_random_u32_below(REKEY_TIMEOUT_JITTER_MAX_JIFFIES));
 }
 
 /* Should be called after an authenticated data packet is received. */
@@ -183,7 +183,7 @@ void wg_timers_handshake_initiated(struct wg_peer *peer)
 {
 	mod_peer_timer(peer, &peer->timer_retransmit_handshake,
 		       jiffies + REKEY_TIMEOUT * HZ +
-		       prandom_u32_max(REKEY_TIMEOUT_JITTER_MAX_JIFFIES));
+		       get_random_u32_below(REKEY_TIMEOUT_JITTER_MAX_JIFFIES));
 }
 
 /* Should be called after a handshake response message is received and processed