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authorMaxime Ripard <maxime@cerno.tech>2023-05-09 15:03:40 +0200
committerMaxime Ripard <maxime@cerno.tech>2023-05-09 15:03:40 +0200
commitff32fcca64437f679a2bf1c0a19d5def389a18e2 (patch)
tree122863d5d6159b30fd6834cbe599f8ce1b9e8144 /arch/x86/kvm/svm/sev.c
parent79c87edd18ec49f5b6fb40175bd1b1fea9398fdb (diff)
parentac9a78681b921877518763ba0e89202254349d1b (diff)
downloadlinux-ff32fcca64437f679a2bf1c0a19d5def389a18e2.tar.gz
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Merge drm/drm-next into drm-misc-next
Start the 6.5 release cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'arch/x86/kvm/svm/sev.c')
-rw-r--r--arch/x86/kvm/svm/sev.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index c25aeb550cd9..69ae5e1b3120 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -12,6 +12,7 @@
#include <linux/kvm_host.h>
#include <linux/kernel.h>
#include <linux/highmem.h>
+#include <linux/psp.h>
#include <linux/psp-sev.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
@@ -1767,18 +1768,20 @@ 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 file *source_kvm_file;
+ struct fd f = fdget(source_fd);
struct kvm *source_kvm;
bool charged = false;
int ret;
- source_kvm_file = fget(source_fd);
- if (!file_is_kvm(source_kvm_file)) {
+ if (!f.file)
+ return -EBADF;
+
+ if (!file_is_kvm(f.file)) {
ret = -EBADF;
goto out_fput;
}
- source_kvm = source_kvm_file->private_data;
+ source_kvm = f.file->private_data;
ret = sev_lock_two_vms(kvm, source_kvm);
if (ret)
goto out_fput;
@@ -1828,8 +1831,7 @@ out_dst_cgroup:
out_unlock:
sev_unlock_two_vms(kvm, source_kvm);
out_fput:
- if (source_kvm_file)
- fput(source_kvm_file);
+ fdput(f);
return ret;
}
@@ -2046,18 +2048,20 @@ failed:
int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
{
- struct file *source_kvm_file;
+ struct fd f = fdget(source_fd);
struct kvm *source_kvm;
struct kvm_sev_info *source_sev, *mirror_sev;
int ret;
- source_kvm_file = fget(source_fd);
- if (!file_is_kvm(source_kvm_file)) {
+ if (!f.file)
+ return -EBADF;
+
+ if (!file_is_kvm(f.file)) {
ret = -EBADF;
goto e_source_fput;
}
- source_kvm = source_kvm_file->private_data;
+ source_kvm = f.file->private_data;
ret = sev_lock_two_vms(kvm, source_kvm);
if (ret)
goto e_source_fput;
@@ -2103,8 +2107,7 @@ 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:
- if (source_kvm_file)
- fput(source_kvm_file);
+ fdput(f);
return ret;
}