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-rw-r--r--arch/s390/crypto/aes_s390.c3
-rw-r--r--arch/s390/crypto/des_s390.c3
-rw-r--r--arch/s390/kvm/kvm-s390.c1
-rw-r--r--arch/s390/net/bpf_jit_comp.c2
4 files changed, 8 insertions, 1 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index cf3c0089bef2..23223cd63e54 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -820,6 +820,9 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func,
else
memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
spin_unlock(&ctrblk_lock);
+ } else {
+ if (!nbytes)
+ memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
}
/*
* final block may be < AES_BLOCK_SIZE, copy only nbytes
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index 0a5aac8a9412..7acb77f7ef1a 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -429,6 +429,9 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, long func,
else
memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
spin_unlock(&ctrblk_lock);
+ } else {
+ if (!nbytes)
+ memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
}
/* final block may be < DES_BLOCK_SIZE, copy only nbytes */
if (nbytes) {
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index b3ecb8f5b6ce..9ae6664ff08c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -158,6 +158,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_ONE_REG:
case KVM_CAP_ENABLE_CAP:
case KVM_CAP_S390_CSS_SUPPORT:
+ case KVM_CAP_IRQFD:
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_ENABLE_CAP_VM:
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 452d3ebd9d0f..e9f8fa9337fe 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize,
return NULL;
memset(header, 0, sz);
header->pages = sz / PAGE_SIZE;
- hole = sz - (bpfsize + sizeof(*header));
+ hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header));
/* Insert random number of illegal instructions before BPF code
* and make sure the first instruction starts at an even address.
*/