From 9254bc845db90a123cf992e983539d0ee409f22a Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 18 Jul 2007 01:10:24 -0400 Subject: [PATCH] ACPI: dock: fix oops when _DCK evaluation fails Data returned by acpi_get_name in acpi_buffer is not acpi_object and therefore should not be cast to it, otherwise we'll get an nice oops trying to print error message. Also print name of the ACPI object corresponding to the docking station and elevate severity of the message printed when _DCK fails to KERN_ERR. Signed-off-by: Dmitry Torokhov Cc: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index dc3df93d2310..6192c8be66df 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -396,12 +396,11 @@ static void handle_dock(struct dock_station *ds, int dock) union acpi_object arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer); - obj = name_buffer.pointer; - printk(KERN_INFO PREFIX "%s\n", dock ? "docking" : "undocking"); + printk(KERN_INFO PREFIX "%s - %s\n", + (char *)name_buffer.pointer, dock ? "docking" : "undocking"); /* _DCK method has one argument */ arg_list.count = 1; @@ -410,7 +409,8 @@ static void handle_dock(struct dock_station *ds, int dock) arg.integer.value = dock; status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer); if (ACPI_FAILURE(status)) - pr_debug("%s: failed to execute _DCK\n", obj->string.pointer); + printk(KERN_ERR PREFIX "%s - failed to execute _DCK\n", + (char *)name_buffer.pointer); kfree(buffer.pointer); kfree(name_buffer.pointer); } -- GitLab