redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

efifb: Don't show the mapping VA

Browse source 
The framebuffer mapping virtual address leaks information about the
kernel memory layout.  Stop logging it.

Cc: Peter Jones <pjones@redhat.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Andy Lutomirski 2016-05-11 16:57:47 -07:00 committed by Tomi Valkeinen
parent ffe1b6c453
commit a53dd25827
1 changed files with 2 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/video/fbdev/efifb.c
View file

@ -247,10 +247,8 @@ static int efifb_probe(struct platform_device *dev)
goto err_release_fb;
}
printk(KERN_INFO "efifb: framebuffer at 0x%lx, mapped to 0x%p, "
"using %dk, total %dk\n",
efifb_fix.smem_start, info->screen_base,
size_remap/1024, size_total/1024);
printk(KERN_INFO "efifb: framebuffer at 0x%lx, using %dk, total %dk\n",
efifb_fix.smem_start, size_remap/1024, size_total/1024);
printk(KERN_INFO "efifb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
efifb_defined.xres, efifb_defined.yres,
efifb_defined.bits_per_pixel, efifb_fix.line_length,