thinkpad-acpi: explain errors from acpi_install_notify_handler

Log more human-friendly errors instead of numeric values when
setup_acpi_notify() fails to install a notification handler.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index da3a70b280f20db5c338ec728fd06a06396378e1..a39f159d4f2f9ed4cdc3142bf4a537f8ba6a08dd 100644 (file)
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -785,8 +785,8 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm)
                               "handling %s events\n", ibm->name);
                } else {
                        printk(TPACPI_ERR
-                              "acpi_install_notify_handler(%s) failed: %d\n",
-                              ibm->name, status);
+                              "acpi_install_notify_handler(%s) failed: %s\n",
+                              ibm->name, acpi_format_exception(status));
                }
                return -ENODEV;
        }