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Date: Sun, 20 Mar 2011 10:56:01 +0100 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Alan Cox <alan@...ux.intel.com>, Ken Mills <ken.k.mills@...el.com> Cc: Greg Kroah-Hartman <gregkh@...e.de>, Randy Dunlap <randy.dunlap@...cle.com>, linux-kernel@...r.kernel.org Subject: Re: n_gsm: clean up printks On Fri, Jan 7, 2011 at 23:59, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> wrote: > Gitweb: http://git.kernel.org/linus/5f9a31d63105c3e88bd6d026e7bc53f02a5ac042 > Commit: 5f9a31d63105c3e88bd6d026e7bc53f02a5ac042 > Parent: c2f2f0000bb69f067fea12624272e6a58a811702 > Author: Alan Cox <alan@...ux.intel.com> > AuthorDate: Thu Nov 4 15:17:27 2010 +0000 > Committer: Greg Kroah-Hartman <gregkh@...e.de> > CommitDate: Thu Nov 11 11:35:58 2010 -0800 > > n_gsm: clean up printks > > [Original From Ken Mills but I redid it using pr_ helpers instead] > diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c > index 5256087..11a25fa 100644 > --- a/drivers/tty/n_gsm.c > +++ b/drivers/tty/n_gsm.c > @@ -526,11 +530,13 @@ static void hex_packet(const unsigned char *p, int len) > { > int i; > for (i = 0; i < len; i++) { > - if (i && (i % 16) == 0) > - printk("\n"); > - printk("%02X ", *p++); > + if (i && (i % 16) == 0) { > + pr_cont("\n"); > + pr_debug(""); drivers/tty/n_gsm.c: In function ‘hex_packet’: drivers/tty/n_gsm.c:535: warning: zero-length printf format string Originally reported by Randy http://linux.derkeiler.com/Mailing-Lists/Kernel/2011-02/msg04880.html There's no way this is going to be printed nicely. Please use print_hex_dump() instead. > + } > + pr_cont("%02X ", *p++); > } > - printk("\n"); > + pr_cont("\n"); > } Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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