plymouth/0001-seats-guard-against-NULL-terminal.patch

From a6eff09852c2eb4d684526b814d2b2df578938d0 Mon Sep 17 00:00:00 2001
From: Frederic Crozat <fcrozat@suse.com>
Date: Thu, 12 Jun 2014 18:51:24 +0200
Subject: [PATCH] seats: guard against NULL terminal

---
 src/libply-splash-core/ply-keyboard.c |  7 +++++--
 src/libply-splash-core/ply-seat.c     |  6 +++---
 src/libply-splash-core/ply-terminal.c | 11 +++++++----
 3 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/libply-splash-core/ply-keyboard.c b/src/libply-splash-core/ply-keyboard.c
index 624f906..1bed19f 100644
--- a/src/libply-splash-core/ply-keyboard.c
+++ b/src/libply-splash-core/ply-keyboard.c
@@ -423,8 +423,11 @@ ply_keyboard_free (ply_keyboard_t *keyboard)
     }
   else
     {
-      ply_buffer_free (keyboard->provider.if_terminal->key_buffer);
-      free (keyboard->provider.if_terminal);
+      if (keyboard->provider.if_terminal)
+        {
+          ply_buffer_free (keyboard->provider.if_terminal->key_buffer);
+          free (keyboard->provider.if_terminal);
+        }
     }
 
   free (keyboard);
diff --git a/src/libply-splash-core/ply-seat.c b/src/libply-splash-core/ply-seat.c
index 2ac8bf7..29e2dfa 100644
--- a/src/libply-splash-core/ply-seat.c
+++ b/src/libply-splash-core/ply-seat.c
@@ -102,12 +102,12 @@ add_text_displays (ply_seat_t *seat)
 {
   ply_text_display_t *display;
 
-  if (!ply_terminal_is_open (seat->terminal))
+  if (!seat->terminal || !ply_terminal_is_open (seat->terminal))
     {
-      if (!ply_terminal_open (seat->terminal))
+      if (!seat->terminal || !ply_terminal_open (seat->terminal))
         {
           ply_trace ("could not add terminal %s: %m",
-                     ply_terminal_get_name (seat->terminal));
+                     seat->terminal ? ply_terminal_get_name (seat->terminal) : "none" );
           return;
         }
     }
diff --git a/src/libply-splash-core/ply-terminal.c b/src/libply-splash-core/ply-terminal.c
index 992dd3f..b52b108 100644
--- a/src/libply-splash-core/ply-terminal.c
+++ b/src/libply-splash-core/ply-terminal.c
@@ -654,30 +654,33 @@ ply_terminal_open (ply_terminal_t *terminal)
 int
 ply_terminal_get_fd (ply_terminal_t *terminal)
 {
-  return terminal->fd;
+  return terminal ? terminal->fd : -1;
 }
 
 bool
 ply_terminal_is_vt (ply_terminal_t *terminal)
 {
-  return terminal->vt_number > 0;
+  return terminal ? terminal->vt_number > 0 : false;
 }
 
 bool
 ply_terminal_is_open (ply_terminal_t *terminal)
 {
-  return terminal->is_open;
+  return terminal ? terminal->is_open : false;
 }
 
 bool
 ply_terminal_is_active (ply_terminal_t *terminal)
 {
-  return terminal->is_active;
+  return terminal ? terminal->is_active : false;
 }
 
 void
 ply_terminal_close (ply_terminal_t *terminal)
 {
+  if (!terminal)
+    return;
+
   if (!terminal->is_open)
     {
       ply_trace ("terminal %s is already closed", terminal->name);
-- 
1.8.4.5