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-rw-r--r--include/uapi/xen/privcmd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/xen/privcmd.h b/include/uapi/xen/privcmd.h
index b143fafce84d..e145bca5105c 100644
--- a/include/uapi/xen/privcmd.h
+++ b/include/uapi/xen/privcmd.h
@@ -138,6 +138,6 @@ struct privcmd_irqfd {
#define IOCTL_PRIVCMD_MMAP_RESOURCE \
_IOC(_IOC_NONE, 'P', 7, sizeof(struct privcmd_mmap_resource))
#define IOCTL_PRIVCMD_IRQFD \
- _IOC(_IOC_NONE, 'P', 8, sizeof(struct privcmd_irqfd))
+ _IOW('P', 8, struct privcmd_irqfd)
#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */