Re: [PATCH v3 09/11] usb-storage: remove single-use define for debugging

From: Thomas Gleixner
Date: Wed Aug 21 2019 - 09:21:34 EST


On Wed, 21 Aug 2019, Matthias Maennich wrote:

> USB_STORAGE was defined as "usb-storage: " and used in a single location
> as argument to printk. In order to be able to use the name
> 'USB_STORAGE', drop the definition and use the string directly for the
> printk call.
>
> Signed-off-by: Matthias Maennich <maennich@xxxxxxxxxx>
> ---
> drivers/usb/storage/debug.h | 2 --
> drivers/usb/storage/scsiglue.c | 2 +-
> 2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/usb/storage/debug.h b/drivers/usb/storage/debug.h
> index 6d64f342f587..16ce06039a4d 100644
> --- a/drivers/usb/storage/debug.h
> +++ b/drivers/usb/storage/debug.h
> @@ -29,8 +29,6 @@
>
> #include <linux/kernel.h>
>
> -#define USB_STORAGE "usb-storage: "
> -
> #ifdef CONFIG_USB_STORAGE_DEBUG
> void usb_stor_show_command(const struct us_data *us, struct scsi_cmnd *srb);
> void usb_stor_show_sense(const struct us_data *us, unsigned char key,
> diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
> index 05b80211290d..df4de8323eff 100644
> --- a/drivers/usb/storage/scsiglue.c
> +++ b/drivers/usb/storage/scsiglue.c
> @@ -379,7 +379,7 @@ static int queuecommand_lck(struct scsi_cmnd *srb,
>
> /* check for state-transition errors */
> if (us->srb != NULL) {
> - printk(KERN_ERR USB_STORAGE "Error in %s: us->srb = %p\n",
> + printk(KERN_ERR "usb-storage: Error in %s: us->srb = %p\n",
> __func__, us->srb);

The proper fix for this is to use pr_fmt and convert the printk to pr_err().

Thanks,

tglx