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commitd0f6cfb2bdupstream. Control Flow Integrity (CFI) instrumentation of the kernel noticed that the caller, dev_attr_show(), and the callback, odvp_show(), did not have matching function prototypes, which would cause a CFI exception to be raised. Correct the prototype by using struct device_attribute instead of struct kobj_attribute. Reported-and-tested-by: Joao Moreira <joao@overdrivepizza.com> Link: https://lore.kernel.org/lkml/067ce8bd4c3968054509831fa2347f4f@overdrivepizza.com/ Fixes:006f006f1e("thermal/int340x_thermal: Export OEM vendor variables") Cc: 5.8+ <stable@vger.kernel.org> # 5.8+ Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>