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path: root/drivers/vhost/net.c
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Diffstat (limited to 'drivers/vhost/net.c')
-rw-r--r--drivers/vhost/net.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index aa88911c9504..0f41c9195e9b 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -593,17 +593,17 @@ static long vhost_net_ioctl(struct file *f, unsigned int ioctl,
593 int r; 593 int r;
594 switch (ioctl) { 594 switch (ioctl) {
595 case VHOST_NET_SET_BACKEND: 595 case VHOST_NET_SET_BACKEND:
596 r = copy_from_user(&backend, argp, sizeof backend); 596 if (copy_from_user(&backend, argp, sizeof backend))
597 if (r < 0) 597 return -EFAULT;
598 return r;
599 return vhost_net_set_backend(n, backend.index, backend.fd); 598 return vhost_net_set_backend(n, backend.index, backend.fd);
600 case VHOST_GET_FEATURES: 599 case VHOST_GET_FEATURES:
601 features = VHOST_FEATURES; 600 features = VHOST_FEATURES;
602 return copy_to_user(featurep, &features, sizeof features); 601 if (copy_to_user(featurep, &features, sizeof features))
602 return -EFAULT;
603 return 0;
603 case VHOST_SET_FEATURES: 604 case VHOST_SET_FEATURES:
604 r = copy_from_user(&features, featurep, sizeof features); 605 if (copy_from_user(&features, featurep, sizeof features))
605 if (r < 0) 606 return -EFAULT;
606 return r;
607 if (features & ~VHOST_FEATURES) 607 if (features & ~VHOST_FEATURES)
608 return -EOPNOTSUPP; 608 return -EOPNOTSUPP;
609 return vhost_net_set_features(n, features); 609 return vhost_net_set_features(n, features);