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Re: [Xen-devel] [PATCH 1/3] xen/privcmd: return -ENOSYS for unimplemented IOCTLs
On 02/09/2017 09:40 AM, Jan Beulich wrote:
On 09.02.17 at 15:17, <paul.durrant@xxxxxxxxxx> wrote:The code goes so far as to set the default return code to -ENOSYS but then overrides this to -EINVAL in the switch() statement's default case.If you already change this, isn't -ENOTTY the traditional way of indicating unsupported ioctls?
In fact, a while ago David submitted a patch to do just that: https://lists.xenproject.org/archives/html/xen-devel/2016-08/msg00744.html but it never went anywhere.My question is whether anyone might be relying on current error return behavior.
-boris _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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