diff options
| author | Eric Dumazet <edumazet@google.com> | 2012-04-26 20:07:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-27 02:14:21 -0400 |
| commit | 82981930125abfd39d7c8378a9cfdf5e1be2002b (patch) | |
| tree | 1c5ee5b39af1f39cca3f598beb4e187ae96da685 /net/core/sock.c | |
| parent | c60f6aa8acfd93f4550c7d5eb03351d4cbd1460d (diff) | |
| download | lwn-82981930125abfd39d7c8378a9cfdf5e1be2002b.tar.gz lwn-82981930125abfd39d7c8378a9cfdf5e1be2002b.zip | |
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>
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 0431aaf7473a..10605d2ec860 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -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: |