[PATCH] KVM: fix documentation for KVM_CREATE_GUEST_MEMFD

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The KVM_CREATE_GUEST_MEMFD ioctl returns a file descriptor, and is
documented as such in the description. However, the "Returns" field
in the documentation states that the ioctl returns 0 on success.
Update this to match the description.

Signed-off-by: Carlos López <clopez@xxxxxxx>
 Documentation/virt/kvm/api.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 0b5a33ee71ee..57bd2b2b1532 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -6316,7 +6316,7 @@ The "flags" field is reserved for future extensions and must be '0'.
 :Architectures: none
 :Type: vm ioctl
 :Parameters: struct kvm_create_guest_memfd(in)
-:Returns: 0 on success, <0 on error
+:Returns: A file descriptor on success, <0 on error
 KVM_CREATE_GUEST_MEMFD creates an anonymous file and returns a file descriptor
 that refers to it.  guest_memfd files are roughly analogous to files created

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