diff options
Diffstat (limited to 'drivers/crypto/ccp/sev-dev.c')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 799b476fc3e8..9f588c9728f8 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -503,7 +503,7 @@ static int __sev_platform_shutdown_locked(int *error) struct sev_device *sev = psp_master->sev_data; int ret; - if (sev->state == SEV_STATE_UNINIT) + if (!sev || sev->state == SEV_STATE_UNINIT) return 0; ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error); @@ -577,6 +577,8 @@ static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp) struct sev_user_data_status data; int ret; + memset(&data, 0, sizeof(data)); + ret = __sev_do_cmd_locked(SEV_CMD_PLATFORM_STATUS, &data, &argp->error); if (ret) return ret; @@ -630,7 +632,7 @@ static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp, bool writable) if (input.length > SEV_FW_BLOB_MAX_SIZE) return -EFAULT; - blob = kmalloc(input.length, GFP_KERNEL); + blob = kzalloc(input.length, GFP_KERNEL); if (!blob) return -ENOMEM; @@ -854,7 +856,7 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp) input_address = (void __user *)input.address; if (input.address && input.length) { - id_blob = kmalloc(input.length, GFP_KERNEL); + id_blob = kzalloc(input.length, GFP_KERNEL); if (!id_blob) return -ENOMEM; @@ -973,14 +975,14 @@ static int sev_ioctl_do_pdh_export(struct sev_issue_cmd *argp, bool writable) if (input.cert_chain_len > SEV_FW_BLOB_MAX_SIZE) return -EFAULT; - pdh_blob = kmalloc(input.pdh_cert_len, GFP_KERNEL); + pdh_blob = kzalloc(input.pdh_cert_len, GFP_KERNEL); if (!pdh_blob) return -ENOMEM; data.pdh_cert_address = __psp_pa(pdh_blob); data.pdh_cert_len = input.pdh_cert_len; - cert_blob = kmalloc(input.cert_chain_len, GFP_KERNEL); + cert_blob = kzalloc(input.cert_chain_len, GFP_KERNEL); if (!cert_blob) { ret = -ENOMEM; goto e_free_pdh; |