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path: root/arch/x86/kvm/svm/sev.c
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Diffstat (limited to 'arch/x86/kvm/svm/sev.c')
-rw-r--r--arch/x86/kvm/svm/sev.c39
1 files changed, 13 insertions, 26 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index fb854cf20ac3..92d4711fd1e4 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -533,17 +533,12 @@ static int sev_bind_asid(struct kvm *kvm, unsigned int handle, int *error)
static int __sev_issue_cmd(int fd, int id, void *data, int *error)
{
- struct fd f;
- int ret;
+ CLASS(fd, f)(fd);
- f = fdget(fd);
- if (!fd_file(f))
+ if (fd_empty(f))
return -EBADF;
- ret = sev_issue_cmd_external_user(fd_file(f), id, data, error);
-
- fdput(f);
- return ret;
+ return sev_issue_cmd_external_user(fd_file(f), id, data, error);
}
static int sev_issue_cmd(struct kvm *kvm, int id, void *data, int *error)
@@ -2076,23 +2071,21 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd)
{
struct kvm_sev_info *dst_sev = &to_kvm_svm(kvm)->sev_info;
struct kvm_sev_info *src_sev, *cg_cleanup_sev;
- struct fd f = fdget(source_fd);
+ CLASS(fd, f)(source_fd);
struct kvm *source_kvm;
bool charged = false;
int ret;
- if (!fd_file(f))
+ if (fd_empty(f))
return -EBADF;
- if (!file_is_kvm(fd_file(f))) {
- ret = -EBADF;
- goto out_fput;
- }
+ if (!file_is_kvm(fd_file(f)))
+ return -EBADF;
source_kvm = fd_file(f)->private_data;
ret = sev_lock_two_vms(kvm, source_kvm);
if (ret)
- goto out_fput;
+ return ret;
if (kvm->arch.vm_type != source_kvm->arch.vm_type ||
sev_guest(kvm) || !sev_guest(source_kvm)) {
@@ -2139,8 +2132,6 @@ out_dst_cgroup:
cg_cleanup_sev->misc_cg = NULL;
out_unlock:
sev_unlock_two_vms(kvm, source_kvm);
-out_fput:
- fdput(f);
return ret;
}
@@ -2801,23 +2792,21 @@ failed:
int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
{
- struct fd f = fdget(source_fd);
+ CLASS(fd, f)(source_fd);
struct kvm *source_kvm;
struct kvm_sev_info *source_sev, *mirror_sev;
int ret;
- if (!fd_file(f))
+ if (fd_empty(f))
return -EBADF;
- if (!file_is_kvm(fd_file(f))) {
- ret = -EBADF;
- goto e_source_fput;
- }
+ if (!file_is_kvm(fd_file(f)))
+ return -EBADF;
source_kvm = fd_file(f)->private_data;
ret = sev_lock_two_vms(kvm, source_kvm);
if (ret)
- goto e_source_fput;
+ return ret;
/*
* Mirrors of mirrors should work, but let's not get silly. Also
@@ -2860,8 +2849,6 @@ int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
e_unlock:
sev_unlock_two_vms(kvm, source_kvm);
-e_source_fput:
- fdput(f);
return ret;
}