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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-18 21:20:27 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-06 02:09:23 -0400
commite73a67f7cd471a14bb1351954609e0b0ef5d2187 (patch)
treeb5b8de7536d6ce142390889b2e8dd6f7936dcf55 /fs/ocfs2/cluster
parentc1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff)
don't open-code kernel_setsockopt()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ocfs2/cluster')
-rw-r--r--fs/ocfs2/cluster/tcp.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 4348027384f5..58fb1bc2bb32 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1460,27 +1460,10 @@ static void o2net_rx_until_empty(struct work_struct *work)
static int o2net_set_nodelay(struct socket *sock)
{
- int ret, val = 1;
- mm_segment_t oldfs;
+ int val = 1;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
-
- /*
- * Dear unsuspecting programmer,
- *
- * Don't use sock_setsockopt() for SOL_TCP. It doesn't check its level
- * argument and assumes SOL_SOCKET so, say, your TCP_NODELAY will
- * silently turn into SO_DEBUG.
- *
- * Yours,
- * Keeper of hilariously fragile interfaces.
- */
- ret = sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (char __user *)&val, sizeof(val));
-
- set_fs(oldfs);
- return ret;
+ return kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
+ (void *)&val, sizeof(val));
}
static int o2net_set_usertimeout(struct socket *sock)
@@ -1488,7 +1471,7 @@ static int o2net_set_usertimeout(struct socket *sock)
int user_timeout = O2NET_TCP_USER_TIMEOUT;
return kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT,
- (char *)&user_timeout, sizeof(user_timeout));
+ (void *)&user_timeout, sizeof(user_timeout));
}
static void o2net_initialize_handshake(void)