Merge branch 'agp-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 11 Jan 2010 17:47:52 +0000 (09:47 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 11 Jan 2010 17:47:52 +0000 (09:47 -0800)
* 'agp-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6:
  agp/hp: fail gracefully if we don't find an IOC
  agp/hp: fixup hp agp after ACPI changes
  agp: correct missing cleanup on error in agp_add_bridge

drivers/char/agp/backend.c
drivers/char/agp/hp-agp.c

index a56ca08..c3ab46d 100644 (file)
@@ -285,18 +285,22 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
 {
        int error;
 
-       if (agp_off)
-               return -ENODEV;
+       if (agp_off) {
+               error = -ENODEV;
+               goto err_put_bridge;
+       }
 
        if (!bridge->dev) {
                printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n");
-               return -EINVAL;
+               error = -EINVAL;
+               goto err_put_bridge;
        }
 
        /* Grab reference on the chipset driver. */
        if (!try_module_get(bridge->driver->owner)) {
                dev_info(&bridge->dev->dev, "can't lock chipset driver\n");
-               return -EINVAL;
+               error = -EINVAL;
+               goto err_put_bridge;
        }
 
        error = agp_backend_initialize(bridge);
@@ -326,6 +330,7 @@ frontend_err:
        agp_backend_cleanup(bridge);
 err_out:
        module_put(bridge->driver->owner);
+err_put_bridge:
        agp_put_bridge(bridge);
        return error;
 }
index 9047b27..58752b7 100644 (file)
@@ -488,9 +488,8 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
        handle = obj;
        do {
                status = acpi_get_object_info(handle, &info);
-               if (ACPI_SUCCESS(status)) {
+               if (ACPI_SUCCESS(status) && (info->valid & ACPI_VALID_HID)) {
                        /* TBD check _CID also */
-                       info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0';
                        match = (strcmp(info->hardware_id.string, "HWP0001") == 0);
                        kfree(info);
                        if (match) {
@@ -509,6 +508,9 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
                handle = parent;
        } while (ACPI_SUCCESS(status));
 
+       if (ACPI_FAILURE(status))
+               return AE_OK;   /* found no enclosing IOC */
+
        if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
                return AE_OK;