On 16.10.23 09:11, Viresh Kumar wrote:
_IOC() an internal helper that we should not use in driver code. In particular, we got the data direction wrong here, which breaks a number of tools, as having "_IOC_NONE" should never be paired with a nonzero size.Use _IOW() instead. Fixes: f8941e6c4c71 ("xen: privcmd: Add support for irqfd") Reported-by: Arnd Bergmann <[email protected]> Closes: https://lore.kernel.org/all/[email protected]/ Signed-off-by: Viresh Kumar <[email protected]>
Reviewed-by: Juergen Gross <[email protected]> Juergen
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