Remove comparison of spi->dev.platform_data to NULL by replacing it with '!spi->dev.platform_data' as checkpatch suggested: CHECK: Comparison to NULL could be written "!spi->dev.platform_data" Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>