diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 5020696f1379..8c263a9b643d 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -642,16 +642,17 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, struct zcrypt_queue *zq, *pref_zq; struct ap_message ap_msg; unsigned int wgt = 0, pref_wgt = 0; - unsigned int func_code; - int cpen, qpen, qid = 0, rc = -ENODEV; + unsigned int func_code = 0; + int cpen, qpen, qid = 0, rc; struct module *mod; trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO); - ap_init_message(&ap_msg); + rc = ap_init_apmsg(&ap_msg); + if (rc) + goto out; if (mex->outputdatalength < mex->inputdatalength) { - func_code = 0; rc = -EINVAL; goto out; } @@ -728,7 +729,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, spin_unlock(&zcrypt_list_lock); out: - ap_release_message(&ap_msg); + ap_release_apmsg(&ap_msg); if (tr) { tr->last_rc = rc; tr->last_qid = qid; @@ -746,16 +747,17 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, struct zcrypt_queue *zq, *pref_zq; struct ap_message ap_msg; unsigned int wgt = 0, pref_wgt = 0; - unsigned int func_code; - int cpen, qpen, qid = 0, rc = -ENODEV; + unsigned int func_code = 0; + int cpen, qpen, qid = 0, rc; struct module *mod; trace_s390_zcrypt_req(crt, TP_ICARSACRT); - ap_init_message(&ap_msg); + rc = ap_init_apmsg(&ap_msg); + if (rc) + goto out; if (crt->outputdatalength < crt->inputdatalength) { - func_code = 0; rc = -EINVAL; goto out; } @@ -832,7 +834,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, spin_unlock(&zcrypt_list_lock); out: - ap_release_message(&ap_msg); + ap_release_apmsg(&ap_msg); if (tr) { tr->last_rc = rc; tr->last_qid = qid; @@ -850,15 +852,18 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms, struct zcrypt_queue *zq, *pref_zq; struct ap_message ap_msg; unsigned int wgt = 0, pref_wgt = 0; - unsigned int func_code; + unsigned int func_code = 0; unsigned short *domain, tdom; - int cpen, qpen, qid = 0, rc = -ENODEV; + int cpen, qpen, qid = 0, rc; struct module *mod; trace_s390_zcrypt_req(xcrb, TB_ZSECSENDCPRB); xcrb->status = 0; - ap_init_message(&ap_msg); + + rc = ap_init_apmsg(&ap_msg); + if (rc) + goto out; rc = prep_cca_ap_msg(userspace, xcrb, &ap_msg, &func_code, &domain); if (rc) @@ -962,7 +967,7 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms, spin_unlock(&zcrypt_list_lock); out: - ap_release_message(&ap_msg); + ap_release_apmsg(&ap_msg); if (tr) { tr->last_rc = rc; tr->last_qid = qid; @@ -1033,14 +1038,16 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms, struct ep11_target_dev *targets; unsigned short target_num; unsigned int wgt = 0, pref_wgt = 0; - unsigned int func_code, domain; + unsigned int func_code = 0, domain; struct ap_message ap_msg; - int cpen, qpen, qid = 0, rc = -ENODEV; + int cpen, qpen, qid = 0, rc; struct module *mod; trace_s390_zcrypt_req(xcrb, TP_ZSENDEP11CPRB); - ap_init_message(&ap_msg); + rc = ap_init_apmsg(&ap_msg); + if (rc) + goto out; target_num = (unsigned short)xcrb->targets_num; @@ -1164,7 +1171,7 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms, out_free: kfree(targets); out: - ap_release_message(&ap_msg); + ap_release_apmsg(&ap_msg); if (tr) { tr->last_rc = rc; tr->last_qid = qid; @@ -1204,7 +1211,7 @@ static long zcrypt_rng(char *buffer) struct zcrypt_card *zc, *pref_zc; struct zcrypt_queue *zq, *pref_zq; unsigned int wgt = 0, pref_wgt = 0; - unsigned int func_code; + unsigned int func_code = 0; struct ap_message ap_msg; unsigned int domain; int qid = 0, rc = -ENODEV; @@ -1212,7 +1219,9 @@ static long zcrypt_rng(char *buffer) trace_s390_zcrypt_req(buffer, TP_HWRNGCPRB); - ap_init_message(&ap_msg); + rc = ap_init_apmsg(&ap_msg); + if (rc) + goto out; rc = prep_rng_ap_msg(&ap_msg, &func_code, &domain); if (rc) goto out; @@ -1258,7 +1267,7 @@ static long zcrypt_rng(char *buffer) spin_unlock(&zcrypt_list_lock); out: - ap_release_message(&ap_msg); + ap_release_apmsg(&ap_msg); trace_s390_zcrypt_rep(buffer, func_code, rc, AP_QID_CARD(qid), AP_QID_QUEUE(qid)); return rc; |