From: Bhupinder Thakur <bhupinder.thakur@linaro.org>
Date: Wed, 27 Sep 2017 06:13:26 +0000 (+0530)
Subject: xen/arm: vpl011: Add a new handle_console_tty function in xenconsole
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1249
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=b71e11dc7ceaac6df4742ab9e7ff6a3e2e92158c;p=xen.git

xen/arm: vpl011: Add a new handle_console_tty function in xenconsole

This patch introduces a new handle_console_tty function. This function
performs read/write from/to console tty.

Signed-off-by: Bhupinder Thakur <bhupinder.thakur@linaro.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---

diff --git a/tools/console/daemon/io.c b/tools/console/daemon/io.c
index c361b421e7..5c6da31d84 100644
--- a/tools/console/daemon/io.c
+++ b/tools/console/daemon/io.c
@@ -1130,6 +1130,24 @@ static void maybe_add_console_tty_fd(struct console *con)
 	}
 }
 
+static void handle_console_tty(struct console *con)
+{
+	if (con->master_fd != -1 && con->master_pollfd_idx != -1) {
+		if (fds[con->master_pollfd_idx].revents &
+		    ~(POLLIN|POLLOUT|POLLPRI))
+			console_handle_broken_tty(con, domain_is_valid(con->d->domid));
+		else {
+			if (fds[con->master_pollfd_idx].revents &
+			    POLLIN)
+				handle_tty_read(con);
+			if (fds[con->master_pollfd_idx].revents &
+			    POLLOUT)
+				handle_tty_write(con);
+		}
+	}
+	con->master_pollfd_idx = -1;
+}
+
 void handle_io(void)
 {
 	int ret;
@@ -1260,22 +1278,7 @@ void handle_io(void)
 
 			handle_console_ring(con);
 
-			if (con->master_fd != -1 && con->master_pollfd_idx != -1) {
-				if (fds[con->master_pollfd_idx].revents &
-				    ~(POLLIN|POLLOUT|POLLPRI))
-					console_handle_broken_tty(con,
-						   domain_is_valid(d->domid));
-				else {
-					if (fds[con->master_pollfd_idx].revents &
-					    POLLIN)
-						handle_tty_read(con);
-					if (fds[con->master_pollfd_idx].revents &
-					    POLLOUT)
-						handle_tty_write(con);
-				}
-			}
-
-			con->master_pollfd_idx = -1;
+			handle_console_tty(con);
 
 			if (d->last_seen != enum_pass)
 				shutdown_domain(d);