diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-11 09:47:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-11 09:47:52 -0800 |
| commit | 00fdb75b1959c2f8de8b70bfb63aca422feff2fa (patch) | |
| tree | fd0422f86149d6cc739be7af324bcbc7a0968f11 /drivers/char | |
| parent | c07d7237a639d57dc91ea7efdbc1b3f85c7a095d (diff) | |
| parent | 3d4a7882b11299104a0e74425dece2e26ac98024 (diff) | |
Merge branch 'agp-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6
* '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
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/backend.c | 13 | ||||
| -rw-r--r-- | drivers/char/agp/hp-agp.c | 6 |
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index a56ca080e10..c3ab46da51a 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -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; } diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 9047b271465..58752b70efe 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; |