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authorEric Dumazet <edumazet@google.com>2013-07-22 20:26:31 -0700
committerDavid S. Miller <davem@davemloft.net>2013-07-24 17:54:48 -0700
commit64dc61306ce7da370833289739e2f52dfc6b37ba (patch)
tree3d04f970a54863e025f13c7f9de18c221e16b7d7 /net/dccp
parent4d58c0252002646ea522f5c6c623e558af459b39 (diff)
net: add sk_stream_is_writeable() helper
Several call sites use the hardcoded following condition : sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) Lets use a helper because TCP_NOTSENT_LOWAT support will change this condition for TCP sockets. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/proto.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 6c7c78b83940..ba64750f0387 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -336,7 +336,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock,
mask |= POLLIN | POLLRDNORM;
if (!(sk->sk_shutdown & SEND_SHUTDOWN)) {
- if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) {
+ if (sk_stream_is_writeable(sk)) {
mask |= POLLOUT | POLLWRNORM;
} else { /* send SIGIO later */
set_bit(SOCK_ASYNC_NOSPACE,
@@ -347,7 +347,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock,
* wspace test but before the flags are set,
* IO signal will be lost.
*/
- if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk))
+ if (sk_stream_is_writeable(sk))
mask |= POLLOUT | POLLWRNORM;
}
}

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