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sctp: pass a kernel pointer to sctp_setsockopt_reconfig_supported
Use the kernel pointer that sctp_setsockopt has available instead of directly handling the user pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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ac37435bfe
commit
3f49f72035
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@ -3996,27 +3996,21 @@ out:
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}
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}
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static int sctp_setsockopt_reconfig_supported(struct sock *sk,
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static int sctp_setsockopt_reconfig_supported(struct sock *sk,
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char __user *optval,
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struct sctp_assoc_value *params,
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unsigned int optlen)
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unsigned int optlen)
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{
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{
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struct sctp_assoc_value params;
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struct sctp_association *asoc;
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struct sctp_association *asoc;
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int retval = -EINVAL;
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int retval = -EINVAL;
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if (optlen != sizeof(params))
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if (optlen != sizeof(*params))
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goto out;
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goto out;
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if (copy_from_user(¶ms, optval, optlen)) {
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asoc = sctp_id2assoc(sk, params->assoc_id);
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retval = -EFAULT;
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if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC &&
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goto out;
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}
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asoc = sctp_id2assoc(sk, params.assoc_id);
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if (!asoc && params.assoc_id != SCTP_FUTURE_ASSOC &&
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sctp_style(sk, UDP))
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sctp_style(sk, UDP))
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goto out;
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goto out;
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sctp_sk(sk)->ep->reconf_enable = !!params.assoc_value;
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sctp_sk(sk)->ep->reconf_enable = !!params->assoc_value;
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retval = 0;
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retval = 0;
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@ -4688,7 +4682,7 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname,
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retval = sctp_setsockopt_default_prinfo(sk, kopt, optlen);
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retval = sctp_setsockopt_default_prinfo(sk, kopt, optlen);
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break;
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break;
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case SCTP_RECONFIG_SUPPORTED:
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case SCTP_RECONFIG_SUPPORTED:
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retval = sctp_setsockopt_reconfig_supported(sk, optval, optlen);
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retval = sctp_setsockopt_reconfig_supported(sk, kopt, optlen);
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break;
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break;
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case SCTP_ENABLE_STREAM_RESET:
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case SCTP_ENABLE_STREAM_RESET:
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retval = sctp_setsockopt_enable_strreset(sk, optval, optlen);
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retval = sctp_setsockopt_enable_strreset(sk, optval, optlen);
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