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net: cleanups in sock_setsockopt() 

Use min_t()/max_t() macros, reformat two comments, use !!test_bit() to
match !!sock_flag()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-04-26 20:07:59 +00:00 коммит произвёл David S. Miller
Родитель c60f6aa8ac
Коммит 8298193012
1 изменённых файлов: 15 добавлений и 27 удалений
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42
net/core/sock.c
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@ -577,23 +577,15 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
break;
case SO_SNDBUF:
/* Don't error on this BSD doesn't and if you think
about it this is right. Otherwise apps have to
play 'guess the biggest size' games. RCVBUF/SNDBUF
are treated in BSD as hints */
if (val > sysctl_wmem_max)
val = sysctl_wmem_max;
* about it this is right. Otherwise apps have to
* play 'guess the biggest size' games. RCVBUF/SNDBUF
* are treated in BSD as hints
*/
val = min_t(u32, val, sysctl_wmem_max);
set_sndbuf:
sk->sk_userlocks |= SOCK_SNDBUF_LOCK;
if ((val * 2) < SOCK_MIN_SNDBUF)
sk->sk_sndbuf = SOCK_MIN_SNDBUF;
else
sk->sk_sndbuf = val * 2;
/*
* Wake up sending tasks if we
* upped the value.
*/
sk->sk_sndbuf = max_t(u32, val * 2, SOCK_MIN_SNDBUF);
/* Wake up sending tasks if we upped the value. */
sk->sk_write_space(sk);
break;
@ -606,12 +598,11 @@ set_sndbuf:
case SO_RCVBUF:
/* Don't error on this BSD doesn't and if you think
about it this is right. Otherwise apps have to
play 'guess the biggest size' games. RCVBUF/SNDBUF
are treated in BSD as hints */
if (val > sysctl_rmem_max)
val = sysctl_rmem_max;
* about it this is right. Otherwise apps have to
* play 'guess the biggest size' games. RCVBUF/SNDBUF
* are treated in BSD as hints
*/
val = min_t(u32, val, sysctl_rmem_max);
set_rcvbuf:
sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
/*
@ -629,10 +620,7 @@ set_rcvbuf:
* returning the value we actually used in getsockopt
* is the most desirable behavior.
*/
if ((val * 2) < SOCK_MIN_RCVBUF)
sk->sk_rcvbuf = SOCK_MIN_RCVBUF;
else
sk->sk_rcvbuf = val * 2;
sk->sk_rcvbuf = max_t(u32, val * 2, SOCK_MIN_RCVBUF);
break;
case SO_RCVBUFFORCE:
@ -975,7 +963,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
break;
case SO_PASSCRED:
v.val = test_bit(SOCK_PASSCRED, &sock->flags) ? 1 : 0;
v.val = !!test_bit(SOCK_PASSCRED, &sock->flags);
break;
case SO_PEERCRED:
@ -1010,7 +998,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
break;
case SO_PASSSEC:
v.val = test_bit(SOCK_PASSSEC, &sock->flags) ? 1 : 0;
v.val = !!test_bit(SOCK_PASSSEC, &sock->flags);
break;
case SO_PEERSEC: