Commit d2084fd8 authored by Al Viro's avatar Al Viro
Browse files

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



Reviewed-by: default avatarChristian Brauner <brauner@kernel.org>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e73d4376

arch/x86/kvm/svm/sev.c

+14 −12
Original line number Diff line number Diff line
@@ -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 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd) 
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 @@ int sev_mem_enc_unregister_region(struct kvm *kvm, 


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;

}