lede/package/kernel/mac80211/patches/subsys/996-use-prandom_u32_max.patch
2022-12-14 01:52:15 +08:00

15 lines
480 B
Diff

--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1867,7 +1867,11 @@
memset(sample_table, 0xff, sizeof(sample_table));
for (col = 0; col < SAMPLE_COLUMNS; col++) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6,1,0)
prandom_bytes(rnd, sizeof(rnd));
+#else
+ get_random_bytes(rnd, sizeof(rnd));
+#endif
for (i = 0; i < MCS_GROUP_RATES; i++) {
new_idx = (i + rnd[i]) % MCS_GROUP_RATES;
while (sample_table[col][new_idx] != 0xff)