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authorAl Viro <viro@zeniv.linux.org.uk>2013-08-30 15:47:17 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-09-03 23:04:45 -0400
commitcffe78d92c217a57f57ec6743f71adfe39ea543e (patch)
tree7bb8c4865382cf758aff0882b017a952bf4d3332 /virt
parent70abadedab73066fae584488640056f83bce5f95 (diff)
downloadlinux-cffe78d92c217a57f57ec6743f71adfe39ea543e.tar.gz
kvm eventfd: switch to fdget
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/eventfd.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 1550637d1b1..abe4d6043b3 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -291,7 +291,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
{
struct kvm_irq_routing_table *irq_rt;
struct _irqfd *irqfd, *tmp;
- struct file *file = NULL;
+ struct fd f;
struct eventfd_ctx *eventfd = NULL, *resamplefd = NULL;
int ret;
unsigned int events;
@@ -306,13 +306,13 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
INIT_WORK(&irqfd->inject, irqfd_inject);
INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
- file = eventfd_fget(args->fd);
- if (IS_ERR(file)) {
- ret = PTR_ERR(file);
- goto fail;
+ f = fdget(args->fd);
+ if (!f.file) {
+ ret = -EBADF;
+ goto out;
}
- eventfd = eventfd_ctx_fileget(file);
+ eventfd = eventfd_ctx_fileget(f.file);
if (IS_ERR(eventfd)) {
ret = PTR_ERR(eventfd);
goto fail;
@@ -391,7 +391,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
lockdep_is_held(&kvm->irqfds.lock));
irqfd_update(kvm, irqfd, irq_rt);
- events = file->f_op->poll(file, &irqfd->pt);
+ events = f.file->f_op->poll(f.file, &irqfd->pt);
list_add_tail(&irqfd->list, &kvm->irqfds.items);
@@ -408,7 +408,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
* do not drop the file until the irqfd is fully initialized, otherwise
* we might race against the POLLHUP
*/
- fput(file);
+ fdput(f);
return 0;
@@ -422,9 +422,9 @@ fail:
if (eventfd && !IS_ERR(eventfd))
eventfd_ctx_put(eventfd);
- if (!IS_ERR(file))
- fput(file);
+ fdput(f);
+out:
kfree(irqfd);
return ret;
}