diff options
Diffstat (limited to 'drivers/char/tpm/tpm-interface.c')
| -rw-r--r-- | drivers/char/tpm/tpm-interface.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index d09cf26365c3..16abbf9cb53a 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -1262,9 +1262,17 @@ static int __init tpm_init(void) return PTR_ERR(tpm_class); } - rc = alloc_chrdev_region(&tpm_devt, 0, TPM_NUM_DEVICES, "tpm"); + tpmrm_class = class_create(THIS_MODULE, "tpmrm"); + if (IS_ERR(tpmrm_class)) { + pr_err("couldn't create tpmrm class\n"); + class_destroy(tpm_class); + return PTR_ERR(tpmrm_class); + } + + rc = alloc_chrdev_region(&tpm_devt, 0, 2*TPM_NUM_DEVICES, "tpm"); if (rc < 0) { pr_err("tpm: failed to allocate char dev region\n"); + class_destroy(tpmrm_class); class_destroy(tpm_class); return rc; } @@ -1276,7 +1284,8 @@ static void __exit tpm_exit(void) { idr_destroy(&dev_nums_idr); class_destroy(tpm_class); - unregister_chrdev_region(tpm_devt, TPM_NUM_DEVICES); + class_destroy(tpmrm_class); + unregister_chrdev_region(tpm_devt, 2*TPM_NUM_DEVICES); } subsys_initcall(tpm_init); |