Commit v4.19-rc1~140^2~507^2~1 ("net/smc: add SMC-D diag support")
introduced new UAPI-exposed structure, struct smcd_diag_dmbinfo.[...]
However, it's not usable by compat binaries, as it has different
layout there. Probably, the most straightforward fix that will avoid
the similar issues in the future is to use __aligned_u64 for 64-bit
fields.
Fixes: 4b1b7d3b30a6 ("net/smc: add SMC-D diag support")
Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx>