+ fbcon-check-console-fb-mapping-in-fbcon_get_requirement.patch added to -mm tree

+ fbcon-check-console-fb-mapping-in-fbcon_get_requirement.patch added to -mm tree

[akpm]

The patch titled
     fbcon: check console-fb mapping in fbcon_get_requirement
has been added to the -mm tree.  Its filename is
     fbcon-check-console-fb-mapping-in-fbcon_get_requirement.patch

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: fbcon: check console-fb mapping in fbcon_get_requirement
From: "Antonino A. Daplas" <adaplas@gmail.com>

- Check the console-to-fb mapping in fbcon_get_requirement(), otherwise the
  value returned may not be valid for the driver.

- Minor cleanup

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/video/console/fbcon.c |   17 ++++++++---------
 1 files changed, 8 insertions(+), 9 deletions(-)

diff -puN drivers/video/console/fbcon.c~fbcon-check-console-fb-mapping-in-fbcon_get_requirement drivers/video/console/fbcon.c
--- a/drivers/video/console/fbcon.c~fbcon-check-console-fb-mapping-in-fbcon_get_requirement
+++ a/drivers/video/console/fbcon.c
@@ -3048,14 +3048,14 @@ static void fbcon_get_requirement(struct
 {
 	struct vc_data *vc;
 	struct display *p;
-	int charcnt;
 
 	if (caps->flags) {
-		int i;
+		int i, charcnt;
 
 		for (i = first_fb_vc; i <= last_fb_vc; i++) {
 			vc = vc_cons[i].d;
-			if (vc && vc->vc_mode == KD_TEXT) {
+			if (vc && vc->vc_mode == KD_TEXT &&
+			    info->node == con2fb_map[i]) {
 				p = &fb_display[i];
 				caps->x |= 1 << (vc->vc_font.width - 1);
 				caps->y |= 1 << (vc->vc_font.height - 1);
@@ -3068,14 +3068,13 @@ static void fbcon_get_requirement(struct
 	} else {
 		vc = vc_cons[fg_console].d;
 
-		if (vc && vc->vc_mode == KD_TEXT) {
+		if (vc && vc->vc_mode == KD_TEXT &&
+		    info->node == con2fb_map[fg_console]) {
 			p = &fb_display[fg_console];
-			caps->x |= 1 << (vc->vc_font.width - 1);
-			caps->y |= 1 << (vc->vc_font.height - 1);
-			charcnt = (p->userfont) ?
+			caps->x = 1 << (vc->vc_font.width - 1);
+			caps->y = 1 << (vc->vc_font.height - 1);
+			caps->len = (p->userfont) ?
 				FNTCHARCNT(p->fontdata) : 256;
-			if (caps->len < charcnt)
-				caps->len = charcnt;
 		}
 	}
 }
_

Patches currently in -mm which might be from adaplas@gmail.com are

fbdev-add-ultrasharp-uxga-to-broken-monitor-database.patch
intelfb-fix-ring-space-calculation.patch
nvidiafb-bring-back-generic-ddc-reading.patch
fbdev-ignore-vesa-modes-if-framebuffer-is-disabled.patch
fbdev-fix-obvious-bug-in-show_pan.patch
neofb-fill-transp-msb_right-with-the-correct.patch
atyfb-kill-dead-code.patch
fbdev-mm-deferred-io-support.patch
fbdev-mm-deferred-io-support-fix.patch
fbdev-mm-deferred-io-support-fix-2.patch
fbdev-hecuba-framebuffer-driver.patch
fbdev-hecuba-framebuffer-driver-fix.patch
nvidiafb-fix-reversed-ddc-port.patch
vt-expose-system-wide-utf-8-default-setting-via-sysfs.patch
fbdev-dont-show-logo-if-driver-or-fbcon-are-modular.patch
rivafb-nvidiafb-enable-hardware-monitoring.patch
rivafb-handle-i2c-bus-creation-failure.patch
rivafb-nvidiafb-various-cleanups.patch
rivafb-fixed-reversed-ddc-ports.patch
nvidiafb-ensure-that-crtc-registers-are-accessible.patch
nvidiafb-access-crt-registers-safely.patch
skeletonfb-various-corrections.patch
epson1355fbc-fix-error-handling-code.patch
nvidiafb-vga-state-save-and-restore.patch
savagefb-rework-i2c-bit-access.patch
savagefb-vga-state-save-and-restore.patch
fbdev-link-vgastateo-using-kconfig.patch
fbcon-delay-screen-update-when-setting-the-mode-of.patch
nvidiafb-fix-sparse-warning.patch
rivafb-fix-io-access.patch
fbdev-kill-sparse-warning-in-deferred-io.patch
fbdev-add-sparse-annotations-in-svgalibc.patch
arcfb-kill-sparse-warning.patch
s3fb-add-sparse-annotations.patch
hecubafb-kill-sparse-warnings.patch
i810fb-fix-incorrect-frequency-mask.patch
vt-add-documentation-for-new-boot-sysfs-options.patch
skeletonfb-documentation-error-fixes.patch
fbdev-add-drawing-functions-for-framebuffers-in-system.patch
arcfb-use-sys-instead-of-cfb-drawing-functions.patch
hecubafb-use-sys-instead-of-cfb-drawing-functions.patch
vfb-use-sys-instead-of-cfb-drawing-functions.patch
fbdev-pass-struct-fb_info-to-fb_read-and-fb_write.patch
fbdev-add-fb_read-fb_write-functions-for-framebuffers.patch
arcfb-us-fb_sys_read.patch
hecubafb-us-fb_sys_read.patch
vfb-us-fb_sys_read-and-fb_sys_write.patch
fbdev-consolidate-common-drawing-functions-into-a.patch
fbdev-advertise-limitation-of-drawing-engine.patch
fbcon-font-setting-should-check-limitation-of-driver.patch
vga16fb-restrict-to-blit-rectangles-with-widths-of.patch
s3fb-limit-8x16-rectangles-when-tileblitting-is-enabled.patch
fbdev-add-tile-operation-to-get-the-maximum-length.patch
s3fb-implement-fb_get_tilemax.patch
fbcon-check-if-the-character-count-can-be-handled.patch
fbdev-save-the-activate-field-before-calling-fb_check_var.patch
s3fb-driver-fixes.patch
vmlfb-framebuffer-driver-for-intel-vermilion-range.patch
nvidiafb-rivafb-switch-to-pci_get-refcounting.patch
pm2fb-3dlabs-permedia-2v-reference-board-added.patch
pm2fb-permedia-2v-memory-clock-setting.patch
pm2fb-pixclock-setting-restriction.patch
nvidiafb-prevent-triggering-of-softlockup.patch
fbdev-fbcon-check-if-mode-can-handle-new-screen.patch
s3fb-implement-fb_get_caps.patch
vga-vgastate-fix.patch
nvidiafb-fix-return-value-of-nvidiafb_open.patch
atyfb-increase-spll-delay.patch
atyfb-reorganize-clock-init.patch
atyfb-halve-xclk-with-mobility-and-32bit-memory.patch
fbdev-clean-up-exit-patch-of-fb_set_var.patch
fbcon-check-console-fb-mapping-in-fbcon_get_requirement.patch
pm2fb-reset-transparency-settings.patch
pm2fb-memclock-setting-corrections.patch
s3fb-updates.patch
vt8623fb-new-framebuffer-driver-for-via-vt8623.patch
arkfb-new-framebuffer-driver-for-ark-logic-cards.patch
svgalib-move-fb_get_caps-to-svgalib.patch
arkfb-fix-compiler-warnings.patch
vt8623fb-fix-compile-warnings.patch
pm2fb-accelerated-fillrect-and-copyarea.patch
use-menuconfig-objects-ii-video-logo.patch
vgacon-disallow-console-operations-when-in-kd_graphics.patch
vga16fb-actually-support-widths-in-multiples-of-8.patch
skeletonfb-more-corrections.patch
pm2fb-removal-of-pm2fb_par-fields.patch
skeletonfb-improvements.patch
pm2fb-fix-of-jumps-in-pm2fb_probe.patch
xilinxfb-xilinx-framebuffer-device-driver.patch