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authorJens Axboe <jens.axboe@oracle.com>2010-02-22 13:48:51 +0100
committerJens Axboe <jens.axboe@oracle.com>2010-02-22 13:48:51 +0100
commitf11cbd74c5ff3614f6390b4de67a6ffdc614c378 (patch)
tree6a30920ade9eeaac5bf6d6263b5d09712e882eb0 /drivers/char/agp/hp-agp.c
parent429c42c9d246f5bda868495c09974312a0177328 (diff)
parentaea187c46f7d03ce985e55eb1398d0776a15b928 (diff)
downloadop-kernel-dev-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.zip
op-kernel-dev-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.tar.gz
Merge branch 'master' into for-2.6.34
Diffstat (limited to 'drivers/char/agp/hp-agp.c')
-rw-r--r--drivers/char/agp/hp-agp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 9047b27..58752b7 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -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;
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