Merge 5.0-rc4 into tty-next

We need the tty and serial fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 17 insertions, 33 deletions

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index c1633b047c23..cbf6cb139dcb 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1272,6 +1272,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 	if (con_is_visible(vc))
 		update_screen(vc);
 	vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num);
+	notify_update(vc);
 	return err;
 }
 
@@ -2791,8 +2792,8 @@ rescan_last_byte:
 	con_flush(vc, draw_from, draw_to, &draw_x);
 	vc_uniscr_debug_check(vc);
 	console_conditional_schedule();
-	console_unlock();
 	notify_update(vc);
+	console_unlock();
 	return n;
 }
 
@@ -2911,8 +2912,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
 	unsigned char c;
 	static DEFINE_SPINLOCK(printing_lock);
 	const ushort *start;
-	ushort cnt = 0;
-	ushort myx;
+	ushort start_x, cnt;
 	int kmsg_console;
 
 	/* console busy or not yet initialized */
@@ -2925,10 +2925,6 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
 	if (kmsg_console && vc_cons_allocated(kmsg_console - 1))
 		vc = vc_cons[kmsg_console - 1].d;
 
-	/* read `x' only after setting currcons properly (otherwise
-	   the `x' macro will read the x of the foreground console). */
-	myx = vc->vc_x;
-
 	if (!vc_cons_allocated(fg_console)) {
 		/* impossible */
 		/* printk("vt_console_print: tty %d not allocated ??\n", currcons+1); */
@@ -2943,53 +2939,41 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
 		hide_cursor(vc);
 
 	start = (ushort *)vc->vc_pos;
-
-	/* Contrived structure to try to emulate original need_wrap behaviour
-	 * Problems caused when we have need_wrap set on '\n' character */
+	start_x = vc->vc_x;
+	cnt = 0;
 	while (count--) {
 		c = *b++;
 		if (c == 10 || c == 13 || c == 8 || vc->vc_need_wrap) {
-			if (cnt > 0) {
-				if (con_is_visible(vc))
-					vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x);
-				vc->vc_x += cnt;
-				if (vc->vc_need_wrap)
-					vc->vc_x--;
-				cnt = 0;
-			}
+			if (cnt && con_is_visible(vc))
+				vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x);
+			cnt = 0;
 			if (c == 8) {		/* backspace */
 				bs(vc);
 				start = (ushort *)vc->vc_pos;
-				myx = vc->vc_x;
+				start_x = vc->vc_x;
 				continue;
 			}
 			if (c != 13)
 				lf(vc);
 			cr(vc);
 			start = (ushort *)vc->vc_pos;
-			myx = vc->vc_x;
+			start_x = vc->vc_x;
 			if (c == 10 || c == 13)
 				continue;
 		}
+		vc_uniscr_putc(vc, c);
 		scr_writew((vc->vc_attr << 8) + c, (unsigned short *)vc->vc_pos);
 		notify_write(vc, c);
 		cnt++;
-		if (myx == vc->vc_cols - 1) {
-			vc->vc_need_wrap = 1;
-			continue;
-		}
-		vc->vc_pos += 2;
-		myx++;
-	}
-	if (cnt > 0) {
-		if (con_is_visible(vc))
-			vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x);
-		vc->vc_x += cnt;
-		if (vc->vc_x == vc->vc_cols) {
-			vc->vc_x--;
+		if (vc->vc_x == vc->vc_cols - 1) {
 			vc->vc_need_wrap = 1;
+		} else {
+			vc->vc_pos += 2;
+			vc->vc_x++;
 		}
 	}
+	if (cnt && con_is_visible(vc))
+		vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x);
 	set_cursor(vc);
 	notify_update(vc);