[PATCH 02/12] kvm: use __anon_inode_getfd

From: Christoph Hellwig
Date: Fri May 08 2020 - 11:38:13 EST


Use __anon_inode_getfd instead of opencoding the logic using
get_unused_fd_flags + anon_inode_getfile.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
virt/kvm/kvm_main.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 74bdb7bf32952..d20a7c2a30f1d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3822,17 +3822,11 @@ static int kvm_dev_ioctl_create_vm(unsigned long type)
if (r < 0)
goto put_kvm;
#endif
- r = get_unused_fd_flags(O_CLOEXEC);
+ r = __anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_CLOEXEC | O_RDWR,
+ &file);
if (r < 0)
goto put_kvm;

- file = anon_inode_getfile("kvm-vm", &kvm_vm_fops, kvm, O_RDWR);
- if (IS_ERR(file)) {
- put_unused_fd(r);
- r = PTR_ERR(file);
- goto put_kvm;
- }
-
/*
* Don't call kvm_put_kvm anymore at this point; file->f_op is
* already set, with ->release() being kvm_vm_release(). In error
--
2.26.2