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s390/zcrypt: fix smatch warnings

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Fix these smatch warnings:

zcrypt_api.c:986 _zcrypt_send_ep11_cprb() error: uninitialized symbol 'pref_weight'.
zcrypt_api.c:1008 _zcrypt_send_ep11_cprb() error: uninitialized symbol 'weight'.
zcrypt_api.c:676 zcrypt_rsa_modexpo() error: uninitialized symbol 'pref_weight'.
zcrypt_api.c:694 zcrypt_rsa_modexpo() error: uninitialized symbol 'weight'.
zcrypt_api.c:760 zcrypt_rsa_crt() error: uninitialized symbol 'pref_weight'.
zcrypt_api.c:778 zcrypt_rsa_crt() error: uninitialized symbol 'weight'.
zcrypt_api.c:824 _zcrypt_send_cprb() warn: always true condition '(tdom >= 0) => (0-u16max >= 0)'
zcrypt_api.c:846 _zcrypt_send_cprb() error: uninitialized symbol 'pref_weight'.
zcrypt_api.c:867 _zcrypt_send_cprb() error: uninitialized symbol 'weight'.
zcrypt_api.c:1065 zcrypt_rng() error: uninitialized symbol 'pref_weight'.
zcrypt_api.c:1079 zcrypt_rng() error: uninitialized symbol 'weight'.
zcrypt_cex4.c:251 ep11_card_op_modes_show() warn: should '(1 << ep11_op_modes[i]->mode_bit)' be a 64 bit type?
zcrypt_cex4.c:346 ep11_queue_op_modes_show() warn: should '(1 << ep11_op_modes[i]->mode_bit)' be a 64 bit type?

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Harald Freudenberger
2020-06-30 09:54:50 +02:00
committed by Heiko Carstens
parent c6337c6e89
commit 47c07bffeb
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/s390/crypto/zcrypt_api.c
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@@ -634,7 +634,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
{
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
unsigned int weight, pref_weight;
unsigned int weight = 0, pref_weight = 0;
unsigned int func_code;
int qid = 0, rc = -ENODEV;
struct module *mod;
@@ -718,7 +718,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
{
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
unsigned int weight, pref_weight;
unsigned int weight = 0, pref_weight = 0;
unsigned int func_code;
int qid = 0, rc = -ENODEV;
struct module *mod;
@@ -803,7 +803,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms,
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
struct ap_message ap_msg;
unsigned int weight, pref_weight;
unsigned int weight = 0, pref_weight = 0;
unsigned int func_code;
unsigned short *domain, tdom;
int qid = 0, rc = -ENODEV;
@@ -822,7 +822,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms,
* domain but a control only domain, use the default domain as target.
*/
tdom = *domain;
if (tdom >= 0 && tdom < AP_DOMAINS &&
if (tdom < AP_DOMAINS &&
!ap_test_config_usage_domain(tdom) &&
ap_test_config_ctrl_domain(tdom) &&
ap_domain_index >= 0)
@@ -931,7 +931,7 @@ static long _zcrypt_send_ep11_cprb(struct ap_perms *perms,
struct zcrypt_queue *zq, *pref_zq;
struct ep11_target_dev *targets;
unsigned short target_num;
unsigned int weight, pref_weight;
unsigned int weight = 0, pref_weight = 0;
unsigned int func_code;
struct ap_message ap_msg;
int qid = 0, rc = -ENODEV;
@@ -1040,7 +1040,7 @@ static long zcrypt_rng(char *buffer)
{
struct zcrypt_card *zc, *pref_zc;
struct zcrypt_queue *zq, *pref_zq;
unsigned int weight, pref_weight;
unsigned int weight = 0, pref_weight = 0;
unsigned int func_code;
struct ap_message ap_msg;
unsigned int domain;