dax: Ensure errno is returned from dax_direct_access
If the caller specifies a negative nr_pages that is an invalid parameter. Return -EINVAL to ensure callers get an errno if they want to check it. Reviewed-by:Dan Williams <dan.j.williams@intel.com> Signed-off-by:
Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20210525172428.3634316-4-ira.weiny@intel.com Signed-off-by:
Dan Williams <dan.j.williams@intel.com>
parent
44788591
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