diff options
| -rw-r--r-- | drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c index 02291e32684f..86f90238750c 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c +++ b/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c @@ -230,12 +230,10 @@ static ssize_t sk_store(struct kobject *kobj, length--; /* allocate space and copy current signing key */ - bioscfg_drv.spm_data.signing_key = kmalloc(length, GFP_KERNEL); + bioscfg_drv.spm_data.signing_key = kmemdup(buf, length, GFP_KERNEL); if (!bioscfg_drv.spm_data.signing_key) return -ENOMEM; - memcpy(bioscfg_drv.spm_data.signing_key, buf, length); - /* submit signing key payload */ ret = hp_wmi_perform_query(HPWMI_SECUREPLATFORM_SET_SK, HPWMI_SECUREPLATFORM, @@ -267,14 +265,12 @@ static ssize_t kek_store(struct kobject *kobj, length--; /* allocate space and copy current signing key */ - bioscfg_drv.spm_data.endorsement_key = kmalloc(length, GFP_KERNEL); + bioscfg_drv.spm_data.endorsement_key = kmemdup(buf, length, GFP_KERNEL); if (!bioscfg_drv.spm_data.endorsement_key) { ret = -ENOMEM; goto exit_kek; } - memcpy(bioscfg_drv.spm_data.endorsement_key, buf, length); - ret = hp_wmi_perform_query(HPWMI_SECUREPLATFORM_SET_KEK, HPWMI_SECUREPLATFORM, (void *)bioscfg_drv.spm_data.endorsement_key, @@ -314,13 +310,12 @@ static ssize_t auth_token_store(struct kobject *kobj, length--; /* allocate space and copy current auth token */ - bioscfg_drv.spm_data.auth_token = kmalloc(length, GFP_KERNEL); + bioscfg_drv.spm_data.auth_token = kmemdup(buf, length, GFP_KERNEL); if (!bioscfg_drv.spm_data.auth_token) { ret = -ENOMEM; goto exit_token; } - memcpy(bioscfg_drv.spm_data.auth_token, buf, length); return count; exit_token: |