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2e5567c903
qemu/ui
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Gerd Hoffmann 2e5567c903 vnc: deal with surface NULL pointers 
Secondary displays in multihead setups are allowed to have a NULL
DisplaySurface.  Typically user interfaces handle this by hiding the
window which shows the display in question.

This isn't an option for vnc though because it simply hasn't a concept
of windows or outputs.  So handle the situation by showing a placeholder
DisplaySurface instead.  Also check in console_select whenever a surface
is preset in the first place before requesting an update.

This fixes a segfault which can be triggered by switching to an unused
display (via vtrl-alt-<nr>) in a multihead setup, for example using
-device virtio-vga,max_outputs=2.

Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-id: 20180308161803.6152-1-kraxel@redhat.com
2018-03-12 09:00:59 +01:00
..
keycodemapdb@6b3d716e2b ui: update keycodemapdb to get py3 fixes 2018-02-05 19:53:55 -02:00
shader opengl: add flipping vertex shader 2017-10-17 10:25:42 +02:00
cocoa.m ui: build curses, gtk and sdl as modules. 2018-03-05 15:16:30 +00:00
console-gl.c ui: use QEMU_IS_ALIGNED macro 2017-11-10 14:27:29 +01:00
console.c vnc: deal with surface NULL pointers 2018-03-12 09:00:59 +01:00
curses_keys.h ui: add next and prior keysyms 2017-07-27 14:23:09 +02:00
curses.c curses: switch over to new display registry 2018-03-05 08:44:11 +01:00
cursor_hidden.xpm ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
cursor_left_ptr.xpm ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
cursor.c Replace all occurances of __FUNCTION__ with __func__ 2018-01-22 09:46:18 +01:00
egl-context.c egl: explicitly ask for core context 2017-05-12 12:02:48 +02:00
egl-headless.c egl-headless: switch over to new display registry 2018-03-05 08:44:11 +01:00
egl-helpers.c egl-helpers: add alpha channel to texture format 2018-02-22 10:35:09 +01:00
gtk-egl.c ui/gtk-egl: add cursor_dmabuf support 2018-03-12 09:00:34 +01:00
gtk-gl-area.c ui: opengl updates for dma-buf support. 2017-10-19 12:09:53 +01:00
gtk.c ui/gtk-egl: add cursor_dmabuf support 2018-03-12 09:00:34 +01:00
input-keymap.c ui: fix alphabetical ordering of keymaps 2018-01-29 09:35:43 +01:00
input-legacy.c Include less of the generated modular QAPI headers 2018-03-02 13:45:50 -06:00
input-linux.c ui: move qemu_input_linux_to_qcode() 2017-07-27 14:23:09 +02:00
input.c Include less of the generated modular QAPI headers 2018-03-02 13:45:50 -06:00
keymaps.c keymap: consider modifier state when picking a mapping 2018-02-22 10:35:32 +01:00
keymaps.h keymap: consider modifier state when picking a mapping 2018-02-22 10:35:32 +01:00
Makefile.objs ui/opengl: Makefile cleanup 2018-03-12 09:00:34 +01:00
qemu-pixman.c pixman: drop submodule 2017-09-13 10:15:43 +02:00
qemu-x509.h ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
sdl2-2d.c sdl: restore optimized redraw 2018-02-16 12:25:35 +01:00
sdl2-gl.c opengl: move shader init from console-gl.c to shader.c 2017-10-17 10:25:42 +02:00
sdl2-input.c ui: convert the SDL2 frontend to keycodemapdb 2018-01-25 15:02:00 +01:00
sdl2.c sdl: switch over to new display registry 2018-03-05 08:44:11 +01:00
sdl_keysym.h ui/sdl2 : initial port to SDL 2.0 (v2.0) 2014-03-05 09:52:05 +01:00
sdl_zoom_template.h maint: Fix macros with broken 'do/while(0); ' usage 2018-01-16 14:54:52 +01:00
sdl_zoom.c all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
sdl_zoom.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
sdl.c sdl: switch over to new display registry 2018-03-05 08:44:11 +01:00
shader.c opengl: add flipping vertex shader 2017-10-17 10:25:42 +02:00
spice-core.c Include less of the generated modular QAPI headers 2018-03-02 13:45:50 -06:00
spice-display.c Move include qemu/option.h from qemu-common.h to actual users 2018-02-09 13:52:16 +01:00
spice-input.c ui: correctly detect spice PAUSE scancode sequence 2017-07-28 12:35:40 +02:00
trace-events keymap: use glib hash for kbd_layout_t 2018-02-22 10:35:17 +01:00
vgafont.h ui: move files to ui/ and include/ui/ 2012-12-19 08:31:30 +01:00
vnc_keysym.h ui: add next and prior keysyms 2017-07-27 14:23:09 +02:00
vnc-auth-sasl.c ui: extend VNC trottling tracing to SASL codepaths 2018-02-16 12:33:02 +01:00
vnc-auth-sasl.h ui: mix misleading comments & return types of VNC I/O helper methods 2018-01-12 13:48:54 +01:00
vnc-auth-vencrypt.c qio: non-default context for TLS handshake 2018-03-06 10:19:07 +00:00
vnc-auth-vencrypt.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc-enc-hextile-template.h pixman/vnc: use pixman images in vnc. 2012-11-01 14:00:04 +01:00
vnc-enc-hextile.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-tight.c vnc: use DIV_ROUND_UP 2017-08-31 12:29:07 +02:00
vnc-enc-tight.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zlib.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-zrle-template.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-zrle.c vnc: simple clean up 2017-05-12 12:34:31 +02:00
vnc-enc-zrle.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zywrle-template.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-zywrle.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-jobs.c vnc: fix segfault in closed connection handling 2018-02-16 12:23:54 +01:00
vnc-jobs.h ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear() 2017-02-08 14:59:36 +01:00
vnc-palette.c all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
vnc-palette.h Include qapi/qmp/qlist.h exactly where needed 2018-02-09 13:52:15 +01:00
vnc-stubs.c vnc: add qapi/error.h include to stubs 2018-02-16 12:23:21 +01:00
vnc-ws.c qio: non-default context for TLS handshake 2018-03-06 10:19:07 +00:00
vnc-ws.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc.c vnc: deal with surface NULL pointers 2018-03-12 09:00:59 +01:00
vnc.h Include less of the generated modular QAPI headers 2018-03-02 13:45:50 -06:00
x_keymap.c ui: convert GTK and SDL1 frontends to keycodemapdb 2018-01-25 15:02:00 +01:00
x_keymap.h ui: convert GTK and SDL1 frontends to keycodemapdb 2018-01-25 15:02:00 +01:00