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printk() is the raw way to print output and should be avoided. For drivers with defined "struct device object", dev_*macro() is prefer and for "struct netdevice object", netdev_*macro() is prefer over dev_*macro() to standardize the output format within the subsystem. If no "struct device object" is defined prefer pr_*macro() over printk(). This patch Replace printk having a log level with the appropriate output format according to the order of preference. Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>