path: root/drivers/s390/crypto/ap_bus.c
diff options
authorHarald Freudenberger <freude@linux.ibm.com>2018-08-09 11:59:34 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2018-08-16 14:49:11 +0200
commit2395103b3fbf2553d94a64ac3e29595cb040474b (patch)
treef0cf13720af09121525d3bea8c63843cc587702c /drivers/s390/crypto/ap_bus.c
parentbc00b3ec7722b33cb67fd2cb6bf334e03a6322c2 (diff)
s390/zcrypt: fix ap_instructions_available() returncodes
During review of KVM patches it was complained that the ap_instructions_available() function returns 0 if AP instructions are available and -ENODEV if not. The function acts like a boolean function to check for AP instructions available and thus should return 0 on failure and != 0 on success. Changed to the suggested behaviour and adapted the one and only caller of this function which is the ap bus core code. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/ap_bus.c')
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index bf27fc4d1335..7b9a493a3e51 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1201,7 +1201,7 @@ static int __init ap_module_init(void)
if (rc)
return rc;
- if (ap_instructions_available() != 0) {
+ if (!ap_instructions_available()) {
pr_warn("The hardware system does not support AP instructions\n");
return -ENODEV;

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