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braille_console: only register notifiers when the braille console is used

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Only register the braille driver VT and keyboard notifiers when the
braille console is used.  Avoids eating insert or backspace keys.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11242

Signed-off-by: Pascal Terjan <pterjan@mandriva.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pascal Terjan 2008-10-02 14:50:13 -07:00 committed by Linus Torvalds
parent 16dbc6c961
commit c0c9209ddd
1 changed files with 4 additions and 9 deletions
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13
drivers/accessibility/braille/braille_console.c
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@ -376,6 +376,8 @@ int braille_register_console(struct console *console, int index,
console->flags |= CON_ENABLED;
console->index = index;
braille_co = console;
register_keyboard_notifier(&keyboard_notifier_block);
register_vt_notifier(&vt_notifier_block);
return 0;
}
@ -383,15 +385,8 @@ int braille_unregister_console(struct console *console)
{
if (braille_co != console)
return -EINVAL;
unregister_keyboard_notifier(&keyboard_notifier_block);
unregister_vt_notifier(&vt_notifier_block);
braille_co = NULL;
return 0;
}
static int __init braille_init(void)
{
register_keyboard_notifier(&keyboard_notifier_block);
register_vt_notifier(&vt_notifier_block);
return 0;
}
console_initcall(braille_init);