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authorAlan Cox <alan@linux.intel.com>2015-01-20 12:54:50 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-01-25 09:17:59 -0800
commit625505b509b38b3a389cb3f4fd6520a46763bf45 (patch)
treee5bcf278e5c4a18a84e31064340eb3822f4a5706 /drivers/pnp/pnpbios
parentf989e55452c74b4f7b22c889b8ec9f1192aaeec4 (diff)
pnpbios: bail out on strange errors
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>
Diffstat (limited to 'drivers/pnp/pnpbios')
-rw-r--r--drivers/pnp/pnpbios/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 074569e77d22..facd43b8516c 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -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) {

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