net: switch sock_set_timeout to sockptr_t
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:
Родитель
5790642b47
Коммит
c34645ac25
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@ -361,7 +361,8 @@ static int sock_get_timeout(long timeo, void *optval, bool old_timeval)
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return sizeof(tv);
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}
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static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen, bool old_timeval)
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static int sock_set_timeout(long *timeo_p, sockptr_t optval, int optlen,
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bool old_timeval)
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{
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struct __kernel_sock_timeval tv;
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@ -371,7 +372,7 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen, bool
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if (optlen < sizeof(tv32))
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return -EINVAL;
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if (copy_from_user(&tv32, optval, sizeof(tv32)))
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if (copy_from_sockptr(&tv32, optval, sizeof(tv32)))
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return -EFAULT;
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tv.tv_sec = tv32.tv_sec;
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tv.tv_usec = tv32.tv_usec;
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@ -380,14 +381,14 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen, bool
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if (optlen < sizeof(old_tv))
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return -EINVAL;
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if (copy_from_user(&old_tv, optval, sizeof(old_tv)))
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if (copy_from_sockptr(&old_tv, optval, sizeof(old_tv)))
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return -EFAULT;
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tv.tv_sec = old_tv.tv_sec;
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tv.tv_usec = old_tv.tv_usec;
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} else {
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if (optlen < sizeof(tv))
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return -EINVAL;
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if (copy_from_user(&tv, optval, sizeof(tv)))
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if (copy_from_sockptr(&tv, optval, sizeof(tv)))
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return -EFAULT;
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}
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if (tv.tv_usec < 0 || tv.tv_usec >= USEC_PER_SEC)
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@ -1051,12 +1052,14 @@ set_sndbuf:
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case SO_RCVTIMEO_OLD:
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case SO_RCVTIMEO_NEW:
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ret = sock_set_timeout(&sk->sk_rcvtimeo, optval, optlen, optname == SO_RCVTIMEO_OLD);
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ret = sock_set_timeout(&sk->sk_rcvtimeo, USER_SOCKPTR(optval),
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optlen, optname == SO_RCVTIMEO_OLD);
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break;
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case SO_SNDTIMEO_OLD:
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case SO_SNDTIMEO_NEW:
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ret = sock_set_timeout(&sk->sk_sndtimeo, optval, optlen, optname == SO_SNDTIMEO_OLD);
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ret = sock_set_timeout(&sk->sk_sndtimeo, USER_SOCKPTR(optval),
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optlen, optname == SO_SNDTIMEO_OLD);
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break;
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case SO_ATTACH_FILTER: {
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