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pnpbios: bail out on strange errors

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A small number of systems respond to PnP dock queries with bogus values.
This causes us to keep logging an error every 2 seconds. Instead of trying
again just assume the BIOS is crapware and doesn't actually have dock
functionality.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox 2015-01-20 12:54:50 +00:00 committed by Greg Kroah-Hartman
parent f989e55452
commit 625505b509
1 changed files with 2 additions and 1 deletions
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3
drivers/pnp/pnpbios/core.c
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@ -181,7 +181,8 @@ static int pnp_dock_thread(void *unused)
break;
default:
pnpbios_print_status("pnp_dock_thread", status);
continue;
printk(KERN_WARNING "PnPBIOS: disabling dock monitoring.\n");
complete_and_exit(&unload_sem, 0);
}
if (d != docked) {
if (pnp_dock_event(d, &now) == 0) {