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net: switch copy_bpf_fprog_from_user to sockptr_t

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Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:08:47 +02:00
committed by David S. Miller
parent ba423fdaa5
commit b1ea9ff6af
4 changed files with 11 additions and 8 deletions
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4
net/packet/af_packet.c
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@@ -1536,7 +1536,7 @@ static void __fanout_set_data_bpf(struct packet_fanout *f, struct bpf_prog *new)
}
}
static int fanout_set_data_cbpf(struct packet_sock *po, char __user *data,
static int fanout_set_data_cbpf(struct packet_sock *po, sockptr_t data,
unsigned int len)
{
struct bpf_prog *new;
@@ -1584,7 +1584,7 @@ static int fanout_set_data(struct packet_sock *po, char __user *data,
{
switch (po->fanout->type) {
case PACKET_FANOUT_CBPF:
return fanout_set_data_cbpf(po, data, len);
return fanout_set_data_cbpf(po, USER_SOCKPTR(data), len);
case PACKET_FANOUT_EBPF:
return fanout_set_data_ebpf(po, data, len);
default: