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author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-10-09 20:44:02 -0600 |
---|---|---|
committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-11-18 02:15:15 +0100 |
commit | 8032bf1233a74627ce69b803608e650f3f35971c (patch) | |
tree | 1e15cd719358130192c59b8d5a61a0c3c9fbe82c /net/netfilter/nf_conntrack_core.c | |
parent | random: add helpers for random numbers with given floor or range (diff) | |
download | linux-8032bf1233a74627ce69b803608e650f3f35971c.tar.gz linux-8032bf1233a74627ce69b803608e650f3f35971c.tar.bz2 linux-8032bf1233a74627ce69b803608e650f3f35971c.zip |
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/netfilter/nf_conntrack_core.c')
-rw-r--r-- | net/netfilter/nf_conntrack_core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index f97bda06d2a9..8703812405eb 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -906,7 +906,7 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_REPLY)); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); - max_chainlen = MIN_CHAINLEN + prandom_u32_max(MAX_CHAINLEN); + max_chainlen = MIN_CHAINLEN + get_random_u32_below(MAX_CHAINLEN); /* See if there's one in the list already, including reverse */ hlist_nulls_for_each_entry(h, n, &nf_conntrack_hash[hash], hnnode) { @@ -1227,7 +1227,7 @@ __nf_conntrack_confirm(struct sk_buff *skb) goto dying; } - max_chainlen = MIN_CHAINLEN + prandom_u32_max(MAX_CHAINLEN); + max_chainlen = MIN_CHAINLEN + get_random_u32_below(MAX_CHAINLEN); /* See if there's one in the list already, including reverse: NAT could have grabbed it without realizing, since we're not in the hash. If there is, we lost race. */ |