From 65a1c4fffaaf5ca166a1263d84ca664d5192cda6 Mon Sep 17 00:00:00 2001 From: roel kluin Date: Fri, 23 Oct 2009 05:59:21 +0000 Subject: [PATCH] net: Cleanup redundant tests on unsigned optlen is unsigned so the `< 0' test is never true. Signed-off-by: Roel Kluin Signed-off-by: David S. Miller --- net/can/raw.c | 2 -- net/compat.c | 3 --- net/ipv4/ip_sockglue.c | 2 +- 3 files changed, 1 insertion(+), 6 deletions(-) diff --git a/net/can/raw.c b/net/can/raw.c index 962fc9f1d0c7..6e77db58b9e6 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -424,8 +424,6 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, if (level != SOL_CAN_RAW) return -EINVAL; - if (optlen < 0) - return -EINVAL; switch (optname) { diff --git a/net/compat.c b/net/compat.c index e13f5256fd20..6a2f75fb3f45 100644 --- a/net/compat.c +++ b/net/compat.c @@ -390,9 +390,6 @@ asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, int err; struct socket *sock; - if (optlen < 0) - return -EINVAL; - if ((sock = sockfd_lookup(fd, &err))!=NULL) { err = security_socket_setsockopt(sock,level,optname); diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index a72f43ce33be..cafad9baff03 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -480,7 +480,7 @@ static int do_ip_setsockopt(struct sock *sk, int level, case IP_OPTIONS: { struct ip_options *opt = NULL; - if (optlen > 40 || optlen < 0) + if (optlen > 40) goto e_inval; err = ip_options_get_from_user(sock_net(sk), &opt, optval, optlen); -- 2.20.1