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authorDavid S. Miller <davem@davemloft.net>2010-02-17 16:20:14 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-17 16:20:14 -0800
commit8c2fcadc933f713d51f46ec4dcd9b12830e0df84 (patch)
treee0797b2db664d702f9d02dd0f45efddb2f0d7fe9 /drivers/char/agp/hp-agp.c
parent232486e1e9f34889424b68ee6270440b554479a2 (diff)
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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 9047b2714653..58752b70efea 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;