diff options
Diffstat (limited to 'drivers/net')
19 files changed, 33 insertions, 34 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 24bb50dfd362..e84c49bf4d0c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4806,7 +4806,7 @@ static u32 bond_rr_gen_slave_id(struct bonding *bond) switch (packets_per_slave) { case 0: - slave_id = prandom_u32(); + slave_id = get_random_u32(); break; case 1: slave_id = this_cpu_inc_return(*bond->rr_tx_counter); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index eed98c10ca9d..04cf7684f1b0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3874,7 +3874,7 @@ static void bnxt_init_vnics(struct bnxt *bp) if (bp->vnic_info[i].rss_hash_key) { if (i == 0) - prandom_bytes(vnic->rss_hash_key, + get_random_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE); else memcpy(vnic->rss_hash_key, diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index e86503d97f32..2198e35d9e18 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -4105,8 +4105,7 @@ static int cnic_cm_alloc_mem(struct cnic_dev *dev) for (i = 0; i < MAX_CM_SK_TBL_SZ; i++) atomic_set(&cp->csk_tbl[i].ref_count, 0); - port_id = prandom_u32(); - port_id %= CNIC_LOCAL_PORT_RANGE; + port_id = prandom_u32_max(CNIC_LOCAL_PORT_RANGE); if (cnic_init_id_tbl(&cp->csk_port_tbl, CNIC_LOCAL_PORT_RANGE, CNIC_LOCAL_PORT_MIN, port_id)) { cnic_cm_free_mem(dev); @@ -4165,7 +4164,7 @@ static int cnic_cm_init_bnx2_hw(struct cnic_dev *dev) { u32 seed; - seed = prandom_u32(); + seed = get_random_u32(); cnic_ctx_wr(dev, 45, 0, seed); return 0; } diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c index f90bfba4b303..c2e7037c7ba1 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c @@ -1063,7 +1063,7 @@ static void chtls_pass_accept_rpl(struct sk_buff *skb, opt2 |= WND_SCALE_EN_V(WSCALE_OK(tp)); rpl5->opt0 = cpu_to_be64(opt0); rpl5->opt2 = cpu_to_be32(opt2); - rpl5->iss = cpu_to_be32((prandom_u32() & ~7UL) - 1); + rpl5->iss = cpu_to_be32((get_random_u32() & ~7UL) - 1); set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->port_id); t4_set_arp_err_handler(skb, sk, chtls_accept_rpl_arp_failure); cxgb4_l2t_send(csk->egress_dev, skb, csk->l2t_entry); @@ -1466,7 +1466,7 @@ static void make_established(struct sock *sk, u32 snd_isn, unsigned int opt) tp->write_seq = snd_isn; tp->snd_nxt = snd_isn; tp->snd_una = snd_isn; - inet_sk(sk)->inet_id = prandom_u32(); + inet_sk(sk)->inet_id = get_random_u16(); assign_rxopt(sk, opt); if (tp->rcv_wnd > (RCV_BUFSIZ_M << 10)) diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c index 539992dad8ba..a4256087ac82 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c @@ -919,8 +919,8 @@ static int csk_wait_memory(struct chtls_dev *cdev, current_timeo = *timeo_p; noblock = (*timeo_p ? false : true); if (csk_mem_free(cdev, sk)) { - current_timeo = (prandom_u32() % (HZ / 5)) + 2; - vm_wait = (prandom_u32() % (HZ / 5)) + 2; + current_timeo = prandom_u32_max(HZ / 5) + 2; + vm_wait = prandom_u32_max(HZ / 5) + 2; } add_wait_queue(sk_sleep(sk), &wait); diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index 023682cd2768..9e59669a93dd 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -129,7 +129,7 @@ static int rocker_reg_test(const struct rocker *rocker) u64 test_reg; u64 rnd; - rnd = prandom_u32(); + rnd = get_random_u32(); rnd >>= 1; rocker_write32(rocker, TEST_REG, rnd); test_reg = rocker_read32(rocker, TEST_REG); @@ -139,9 +139,9 @@ static int rocker_reg_test(const struct rocker *rocker) return -EIO; } - rnd = prandom_u32(); + rnd = get_random_u32(); rnd <<= 31; - rnd |= prandom_u32(); + rnd |= get_random_u32(); rocker_write64(rocker, TEST_REG64, rnd); test_reg = rocker_read64(rocker, TEST_REG64); if (test_reg != rnd * 2) { @@ -224,7 +224,7 @@ static int rocker_dma_test_offset(const struct rocker *rocker, if (err) goto unmap; - prandom_bytes(buf, ROCKER_TEST_DMA_BUF_SIZE); + get_random_bytes(buf, ROCKER_TEST_DMA_BUF_SIZE); for (i = 0; i < ROCKER_TEST_DMA_BUF_SIZE; i++) expect[i] = ~buf[i]; err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_INVERT, diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c index 3e69079ed694..791b4a53d69f 100644 --- a/drivers/net/hamradio/baycom_epp.c +++ b/drivers/net/hamradio/baycom_epp.c @@ -438,7 +438,7 @@ static int transmit(struct baycom_state *bc, int cnt, unsigned char stat) if ((--bc->hdlctx.slotcnt) > 0) return 0; bc->hdlctx.slotcnt = bc->ch_params.slottime; - if ((prandom_u32() % 256) > bc->ch_params.ppersist) + if (get_random_u8() > bc->ch_params.ppersist) return 0; } } diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index a6184d6c7b15..2263029d1a20 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -377,7 +377,7 @@ void hdlcdrv_arbitrate(struct net_device *dev, struct hdlcdrv_state *s) if ((--s->hdlctx.slotcnt) > 0) return; s->hdlctx.slotcnt = s->ch_params.slottime; - if ((prandom_u32() % 256) > s->ch_params.ppersist) + if (get_random_u8() > s->ch_params.ppersist) return; start_tx(dev, s); } diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 980f2be32f05..2ed2f836f09a 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -626,7 +626,7 @@ static void yam_arbitrate(struct net_device *dev) yp->slotcnt = yp->slot / 10; /* is random > persist ? */ - if ((prandom_u32() % 256) > yp->pers) + if (get_random_u8() > yp->pers) return; yam_start_tx(dev, yp); diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index 9e9adde335c8..349b7b1dbbf2 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -1758,7 +1758,7 @@ static int qca808x_phy_fast_retrain_config(struct phy_device *phydev) static int qca808x_phy_ms_random_seed_set(struct phy_device *phydev) { - u16 seed_value = (prandom_u32() % QCA808X_MASTER_SLAVE_SEED_RANGE); + u16 seed_value = prandom_u32_max(QCA808X_MASTER_SLAVE_SEED_RANGE); return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED, QCA808X_MASTER_SLAVE_SEED_CFG, diff --git a/drivers/net/wireguard/selftest/allowedips.c b/drivers/net/wireguard/selftest/allowedips.c index 41db10f9be49..19eac00b2381 100644 --- a/drivers/net/wireguard/selftest/allowedips.c +++ b/drivers/net/wireguard/selftest/allowedips.c @@ -284,7 +284,7 @@ static __init bool randomized_test(void) mutex_lock(&mutex); for (i = 0; i < NUM_RAND_ROUTES; ++i) { - prandom_bytes(ip, 4); + get_random_bytes(ip, 4); cidr = prandom_u32_max(32) + 1; peer = peers[prandom_u32_max(NUM_PEERS)]; if (wg_allowedips_insert_v4(&t, (struct in_addr *)ip, cidr, @@ -299,7 +299,7 @@ static __init bool randomized_test(void) } for (j = 0; j < NUM_MUTATED_ROUTES; ++j) { memcpy(mutated, ip, 4); - prandom_bytes(mutate_mask, 4); + get_random_bytes(mutate_mask, 4); mutate_amount = prandom_u32_max(32); for (k = 0; k < mutate_amount / 8; ++k) mutate_mask[k] = 0xff; @@ -310,7 +310,7 @@ static __init bool randomized_test(void) for (k = 0; k < 4; ++k) mutated[k] = (mutated[k] & mutate_mask[k]) | (~mutate_mask[k] & - prandom_u32_max(256)); + get_random_u8()); cidr = prandom_u32_max(32) + 1; peer = peers[prandom_u32_max(NUM_PEERS)]; if (wg_allowedips_insert_v4(&t, @@ -328,7 +328,7 @@ static __init bool randomized_test(void) } for (i = 0; i < NUM_RAND_ROUTES; ++i) { - prandom_bytes(ip, 16); + get_random_bytes(ip, 16); cidr = prandom_u32_max(128) + 1; peer = peers[prandom_u32_max(NUM_PEERS)]; if (wg_allowedips_insert_v6(&t, (struct in6_addr *)ip, cidr, @@ -343,7 +343,7 @@ static __init bool randomized_test(void) } for (j = 0; j < NUM_MUTATED_ROUTES; ++j) { memcpy(mutated, ip, 16); - prandom_bytes(mutate_mask, 16); + get_random_bytes(mutate_mask, 16); mutate_amount = prandom_u32_max(128); for (k = 0; k < mutate_amount / 8; ++k) mutate_mask[k] = 0xff; @@ -354,7 +354,7 @@ static __init bool randomized_test(void) for (k = 0; k < 4; ++k) mutated[k] = (mutated[k] & mutate_mask[k]) | (~mutate_mask[k] & - prandom_u32_max(256)); + get_random_u8()); cidr = prandom_u32_max(128) + 1; peer = peers[prandom_u32_max(NUM_PEERS)]; if (wg_allowedips_insert_v6(&t, @@ -381,13 +381,13 @@ static __init bool randomized_test(void) for (j = 0;; ++j) { for (i = 0; i < NUM_QUERIES; ++i) { - prandom_bytes(ip, 4); + get_random_bytes(ip, 4); if (lookup(t.root4, 32, ip) != horrible_allowedips_lookup_v4(&h, (struct in_addr *)ip)) { horrible_allowedips_lookup_v4(&h, (struct in_addr *)ip); pr_err("allowedips random v4 self-test: FAIL\n"); goto free; } - prandom_bytes(ip, 16); + get_random_bytes(ip, 16); if (lookup(t.root6, 128, ip) != horrible_allowedips_lookup_v6(&h, (struct in6_addr *)ip)) { pr_err("allowedips random v6 self-test: FAIL\n"); goto free; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 479041f070f9..10d9d9c63b28 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -1128,7 +1128,7 @@ static void brcmf_p2p_afx_handler(struct work_struct *work) if (afx_hdl->is_listen && afx_hdl->my_listen_chan) /* 100ms ~ 300ms */ err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan, - 100 * (1 + prandom_u32() % 3)); + 100 * (1 + prandom_u32_max(3))); else err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c index d0a7465be586..170c61c8136c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c @@ -177,7 +177,7 @@ static int brcmf_pno_set_random(struct brcmf_if *ifp, struct brcmf_pno_info *pi) memcpy(pfn_mac.mac, mac_addr, ETH_ALEN); for (i = 0; i < ETH_ALEN; i++) { pfn_mac.mac[i] &= mac_mask[i]; - pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]); + pfn_mac.mac[i] |= get_random_u8() & ~(mac_mask[i]); } /* Clear multi bit */ pfn_mac.mac[0] &= 0xFE; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index ed586e6d7d64..de0c545d50fd 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1099,7 +1099,7 @@ static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm, iwl_mvm_mac_ap_iterator, &data); if (data.beacon_device_ts) { - u32 rand = (prandom_u32() % (64 - 36)) + 36; + u32 rand = prandom_u32_max(64 - 36) + 36; mvmvif->ap_beacon_time = data.beacon_device_ts + ieee80211_tu_to_usec(data.beacon_int * rand / 100); diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 535995e8279f..bcd564dc3554 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -239,7 +239,7 @@ mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, tx_info->pkt_len = pkt_len; mwifiex_form_mgmt_frame(skb, buf, len); - *cookie = prandom_u32() | 1; + *cookie = get_random_u32() | 1; if (ieee80211_is_action(mgmt->frame_control)) skb = mwifiex_clone_skb_for_tx_status(priv, @@ -303,7 +303,7 @@ mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, duration); if (!ret) { - *cookie = prandom_u32() | 1; + *cookie = get_random_u32() | 1; priv->roc_cfg.cookie = *cookie; priv->roc_cfg.chan = *chan; diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index b89047965e78..9bbfff803357 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1161,7 +1161,7 @@ static int mgmt_tx(struct wiphy *wiphy, const u8 *vendor_ie; int ret = 0; - *cookie = prandom_u32(); + *cookie = get_random_u32(); priv->tx_cookie = *cookie; mgmt = (const struct ieee80211_mgmt *)buf; diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index bfdf03bfa6c5..73e6f9408b51 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -449,7 +449,7 @@ qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, { struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; - u32 short_cookie = prandom_u32(); + u32 short_cookie = get_random_u32(); u16 flags = 0; u16 freq; diff --git a/drivers/net/wireless/st/cw1200/wsm.c b/drivers/net/wireless/st/cw1200/wsm.c index 5a3e7a626702..4a9e4b5d3547 100644 --- a/drivers/net/wireless/st/cw1200/wsm.c +++ b/drivers/net/wireless/st/cw1200/wsm.c @@ -1594,7 +1594,7 @@ static int cw1200_get_prio_queue(struct cw1200_common *priv, edca = &priv->edca.params[i]; score = ((edca->aifns + edca->cwmin) << 16) + ((edca->cwmax - edca->cwmin) * - (get_random_int() & 0xFFFF)); + get_random_u16()); if (score < best && (winner < 0 || i != 3)) { best = score; winner = i; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 3e3922d4c788..28c0f06e311f 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -6100,7 +6100,7 @@ static int wl1271_register_hw(struct wl1271 *wl) wl1271_warning("Fuse mac address is zero. using random mac"); /* Use TI oui and a random nic */ oui_addr = WLCORE_TI_OUI_ADDRESS; - nic_addr = get_random_int(); + nic_addr = get_random_u32(); } else { oui_addr = wl->fuse_oui_addr; /* fuse has the BD_ADDR, the WLAN addresses are the next two */ |