driver core: Replace printf() specifier and drop unneeded casting
The size_t type has very well established specifier, i.e. "%zu", use it directly instead of casting to unsigned long with "%lu". Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210401171042.60612-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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