[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / dccp / proto.c

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index d4b293e16283e4e2e5ddc3b5b25fb84c2aecc05b..1ff7328b0e170bf137819ab03a76b3a4acdd9572 100644 (file)
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -350,7 +350,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock,
        if (sk->sk_shutdown == SHUTDOWN_MASK || sk->sk_state == DCCP_CLOSED)
                mask |= POLLHUP;
        if (sk->sk_shutdown & RCV_SHUTDOWN)
-               mask |= POLLIN | POLLRDNORM;
+               mask |= POLLIN | POLLRDNORM | POLLRDHUP;
 
        /* Connected? */
        if ((1 << sk->sk_state) & ~(DCCPF_REQUESTING | DCCPF_RESPOND)) {