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net: make ->{get,set}sockopt in proto_ops optional

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Just check for a NULL method instead of wiring up
sock_no_{get,set}sockopt.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-17 08:23:31 +02:00
committed by David S. Miller
parent 3021ad5299
commit a44d9e7210
26 changed files with 11 additions and 73 deletions
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14
net/core/sock.c
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@@ -2783,20 +2783,6 @@ int sock_no_shutdown(struct socket *sock, int how)
}
EXPORT_SYMBOL(sock_no_shutdown);
int sock_no_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
return -EOPNOTSUPP;
}
EXPORT_SYMBOL(sock_no_setsockopt);
int sock_no_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
return -EOPNOTSUPP;
}
EXPORT_SYMBOL(sock_no_getsockopt);
int sock_no_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
{
return -EOPNOTSUPP;