Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-29 23:51:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

SVM-SEV: convert the rest of fget() uses to fdget() in there

Browse Source 
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2022-05-14 19:45:22 -04:00
parent e73d43760a
commit d2084fd845
1 changed files with 14 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/x86/kvm/svm/sev.c
View File

@ -1767,18 +1767,20 @@ 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 +1830,7 @@ 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 +2047,20 @@ 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 +2106,7 @@ 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;
}