On Tue, 2018-08-14 at 14:35 +0100, Daniel Thompson wrote: > On Tue, Aug 14, 2018 at 08:46:01PM +0800, zhe.he@xxxxxxxxxxxxx wrote: > > From: He Zhe <zhe.he@xxxxxxxxxxxxx> > > > > pr_* is preferred according to scripts/checkpatch.pl. [] > > diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c [] > > @@ -136,7 +136,7 @@ static int kgdboc_option_setup(char *opt) > > } > > > > if (strlen(opt) >= MAX_CONFIG_LEN) { > > - printk(KERN_ERR "kgdboc: config string too long\n"); > > + pr_err("kgdboc: config string too long\n"); > > Looks like you should remove the tags from pr_err and use pr_fmt(fmt) to > put tags on the messages: > > #define pr_fmt(fmt) "kgdboc: " fmt True and it's probably better to use: #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt