A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

fix - ensure we don't use bootconsoles after init has been released

Browse source 
Gerd Hoffmann pointed out that my patch from yesterday can lead
to a null pointer dereference if the kernel is booted with no
console, and no earlyprintk defined. This fixes that issue.

Signed-off-by: Robin Getz <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Robin Getz 2007-08-21 23:14:58 -04:00 • committed by Linus Torvalds
commit cb00e99c0a
1 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
kernel/printk.c
View file

@ -1085,10 +1085,12 @@ EXPORT_SYMBOL(unregister_console);
static int __init disable_boot_consoles(void)
{
if (console_drivers->flags & CON_BOOT) {
printk(KERN_INFO "turn off boot console %s%d\n",
console_drivers->name, console_drivers->index);
return unregister_console(console_drivers);
if (console_drivers != NULL) {
if (console_drivers->flags & CON_BOOT) {
printk(KERN_INFO "turn off boot console %s%d\n",
console_drivers->name, console_drivers->index);
return unregister_console(console_drivers);
}
}
return 0;
}