Commit f1cb9d68 authored by Salvatore Mesoraca's avatar Salvatore Mesoraca Committed by David S. Miller

net: rds: drop VLA in rds_for_each_conn_info()

Avoid VLA[1] by using an already allocated buffer passed
by the caller.

[1] https://lkml.org/lkml/2018/3/7/621Signed-off-by: default avatarSalvatore Mesoraca <s.mesoraca16@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3ed898e8
......@@ -540,9 +540,9 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens,
int (*visitor)(struct rds_connection *, void *),
u64 *buffer,
size_t item_len)
{
uint64_t buffer[(item_len + 7) / 8];
struct hlist_head *head;
struct rds_connection *conn;
size_t i;
......
......@@ -321,8 +321,11 @@ static void rds_ib_ic_info(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens)
{
u64 buffer[(sizeof(struct rds_info_rdma_connection) + 7) / 8];
rds_for_each_conn_info(sock, len, iter, lens,
rds_ib_conn_info_visitor,
buffer,
sizeof(struct rds_info_rdma_connection));
}
......
......@@ -735,6 +735,7 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens,
int (*visitor)(struct rds_connection *, void *),
u64 *buffer,
size_t item_len);
__printf(2, 3)
......
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