diff options
Diffstat (limited to 'drivers/char/tpm/tpm.c')
| -rw-r--r-- | drivers/char/tpm/tpm.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 50013eb8cf1e..5e58296f2832 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -544,7 +544,8 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume); * upon errant exit from this function specific probe function should call * pci_disable_device */ -int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry) +struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vendor_specific + *entry) { #define DEVNAME_SIZE 7 @@ -555,7 +556,7 @@ int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry) /* Driver specific per-device data */ chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (chip == NULL) - return -ENOMEM; + return NULL; init_MUTEX(&chip->buffer_mutex); init_MUTEX(&chip->tpm_mutex); @@ -584,7 +585,7 @@ dev_num_search_complete: if (chip->dev_num < 0) { dev_err(dev, "No available tpm device numbers\n"); kfree(chip); - return -ENODEV; + return NULL; } else if (chip->dev_num == 0) chip->vendor.miscdev.minor = TPM_MINOR; else @@ -605,7 +606,7 @@ dev_num_search_complete: put_device(dev); kfree(chip); dev_mask[i] &= !(1 << j); - return -ENODEV; + return NULL; } spin_lock(&driver_lock); @@ -620,7 +621,7 @@ dev_num_search_complete: chip->bios_dir = tpm_bios_log_setup(devname); - return 0; + return chip; } EXPORT_SYMBOL_GPL(tpm_register_hardware); |