Re: [PATCH][next] treewide: uapi: Replace zero-length arrays with flexible-array members
From: Jason Gunthorpe <jgg@ziepe.ca>
Date: 2022-06-28 18:44:16
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On Tue, Jun 28, 2022 at 10:54:58AM -0700, Kees Cook wrote:
which must also be assuming it's a header. So probably better to just drop the driver_data field? I don't see anything using it (that I can find) besides as a sanity-check that the field exists and is at the end of the struct.
The field is guaranteeing alignment of the following structure. IIRC there are a few cases that we don't have a u64 already to force this. Jason