diff options
Diffstat (limited to 'drivers/s390/crypto')
| -rw-r--r-- | drivers/s390/crypto/pkey_api.c | 26 | ||||
| -rw-r--r-- | drivers/s390/crypto/zcrypt_error.h | 2 |
2 files changed, 6 insertions, 22 deletions
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 9de3d46b3253..d78d77686d7b 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -715,36 +715,18 @@ out: static void *_copy_key_from_user(void __user *ukey, size_t keylen) { - void *kkey; - if (!ukey || keylen < MINKEYBLOBSIZE || keylen > KEYBLOBBUFSIZE) return ERR_PTR(-EINVAL); - kkey = kmalloc(keylen, GFP_KERNEL); - if (!kkey) - return ERR_PTR(-ENOMEM); - if (copy_from_user(kkey, ukey, keylen)) { - kfree(kkey); - return ERR_PTR(-EFAULT); - } - return kkey; + return memdup_user(ukey, keylen); } static void *_copy_apqns_from_user(void __user *uapqns, size_t nr_apqns) { - void *kapqns = NULL; - size_t nbytes; - - if (uapqns && nr_apqns > 0) { - nbytes = nr_apqns * sizeof(struct pkey_apqn); - kapqns = kmalloc(nbytes, GFP_KERNEL); - if (!kapqns) - return ERR_PTR(-ENOMEM); - if (copy_from_user(kapqns, uapqns, nbytes)) - return ERR_PTR(-EFAULT); - } + if (!uapqns || nr_apqns == 0) + return NULL; - return kapqns; + return memdup_user(uapqns, nr_apqns * sizeof(struct pkey_apqn)); } static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h index f34ee41cbed8..4f4dd9d727c9 100644 --- a/drivers/s390/crypto/zcrypt_error.h +++ b/drivers/s390/crypto/zcrypt_error.h @@ -61,6 +61,7 @@ struct error_hdr { #define REP82_ERROR_EVEN_MOD_IN_OPND 0x85 #define REP82_ERROR_RESERVED_FIELD 0x88 #define REP82_ERROR_INVALID_DOMAIN_PENDING 0x8A +#define REP82_ERROR_FILTERED_BY_HYPERVISOR 0x8B #define REP82_ERROR_TRANSPORT_FAIL 0x90 #define REP82_ERROR_PACKET_TRUNCATED 0xA0 #define REP82_ERROR_ZERO_BUFFER_LEN 0xB0 @@ -91,6 +92,7 @@ static inline int convert_error(struct zcrypt_queue *zq, case REP82_ERROR_INVALID_DOMAIN_PRECHECK: case REP82_ERROR_INVALID_DOMAIN_PENDING: case REP82_ERROR_INVALID_SPECIAL_CMD: + case REP82_ERROR_FILTERED_BY_HYPERVISOR: // REP88_ERROR_INVALID_KEY // '82' CEX2A // REP88_ERROR_OPERAND // '84' CEX2A // REP88_ERROR_OPERAND_EVEN_MOD // '85' CEX2A |
