Re: [PATCH v2] drivers: usb: storage: prefer pr_*() macros over bare printk()

[Greg KH]

On Thu, Dec 03, 2020 at 03:16:34PM +0100, Enrico Weigelt, metux IT consult wrote:
> pr_*() printing helpers are preferred over using bare printk().
> 
> changes v2: fixed ugly typo

Don't put that in the changelog, it goes below the --- line, as is
documented.



> 
> Signed-off-by: Enrico Weigelt, metux IT consult <info@xxxxxxxxx>
> ---
>  drivers/usb/storage/alauda.c     | 23 ++++++++------------
>  drivers/usb/storage/ene_ub6250.c | 20 ++++++++---------
>  drivers/usb/storage/freecom.c    |  2 +-
>  drivers/usb/storage/sddr09.c     | 46 +++++++++++++++++-----------------------
>  drivers/usb/storage/sddr55.c     |  7 +++---
>  5 files changed, 43 insertions(+), 55 deletions(-)
> 
> diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c
> index 20b857e97e60..5806f1bee471 100644
> --- a/drivers/usb/storage/alauda.c
> +++ b/drivers/usb/storage/alauda.c
> @@ -622,9 +622,8 @@ static int alauda_read_map(struct us_data *us, unsigned int zone)
>  
>  		/* check even parity */
>  		if (parity[data[6] ^ data[7]]) {
> -			printk(KERN_WARNING
> -			       "alauda_read_map: Bad parity in LBA for block %d"
> -			       " (%02X %02X)\n", i, data[6], data[7]);
> +			pr_warn("alauda_read_map: Bad parity in LBA for block %d"
> +				" (%02X %02X)\n", i, data[6], data[7]);

Please use dev_warn() and friends instead.  This is a driver, it has a
device, it should never use "raw" printk, or pr_* calls.

thanks,

greg k-h