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Groups > linux.kernel > #1449449

Re: staging: ks7010: Rename jump labels

From Jean Delvare <jdelvare@suse.de>
Newsgroups linux.kernel
Subject Re: staging: ks7010: Rename jump labels
Date 2016-07-25 14:40 +0200
Message-ID <rYNkR-4yZ-7@gated-at.bofh.it> (permalink)
References (11 earlier) <rX4pP-4W5-11@gated-at.bofh.it> <rX74l-6Go-3@gated-at.bofh.it> <rXoeS-TM-11@gated-at.bofh.it> <rXrFM-3jF-17@gated-at.bofh.it> <rXsLv-405-13@gated-at.bofh.it>
Organization SUSE Linux

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Hi Markus,

On Thu, 21 Jul 2016 22:11:53 +0200, SF Markus Elfring wrote:
> >> How do you generally think about jump label renaming?
> > 
> > Renaming from "out0:", "out1:" etc to something meaningful, yes.
> 
> I suggest to take another look at such identifiers.
> 
> Would you like to support the renaming of a label like "error_out1"
> (in the function "ks7010_upload_firmware" for example)?

They should be renamed too. Anything using numbers instead of explicit
labels should be updated. I included the reasons in the patch I just
sent, hopefully the documentation is clearer now.

> Will the software evolution be continued also with information from the topic
> "Source code review around jump label usage"?
> https://lkml.org/lkml/2015/12/11/378
> http://article.gmane.org/gmane.linux.kernel/2106190

Personally I see no value in such statistics. Either labels are wrong
(either wrong indentation or wrong name) and should be fixed, or they
are correct and you should not touch them. Whether the same label name
is used somewhere else is irrelevant. Labels are local by nature, so
uniqueness isn't a goal at all, only correctness.

-- 
Jean Delvare
SUSE L3 Support

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Thread

[PATCH 0/9] staging: ks7010: Fine-tuning for a SDIO card driver SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:10 +0200
  [PATCH 2/9] staging: ks7010: Delete unnecessary assignments for  buffer variables SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:20 +0200
    Re: [PATCH 2/9] staging: ks7010: Delete unnecessary assignments for  buffer variables Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 17:50 +0200
  [PATCH 1/9] staging: ks7010: Delete unnecessary checks before the  function call "kfree" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:20 +0200
    Re: [PATCH 1/9] staging: ks7010: Delete unnecessary checks before  the function call "kfree" Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 17:50 +0200
  [PATCH 3/9] staging: ks7010: Return directly after a failed kmalloc() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:20 +0200
    Re: [PATCH 3/9] staging: ks7010: Return directly after a failed  kmalloc() Julia Lawall <julia.lawall@lip6.fr> - 2016-07-17 21:00 +0200
      Re: [PATCH 3/9] staging: ks7010: Return directly after a failed  kmalloc() Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 17:50 +0200
        Re: [PATCH 3/9] staging: ks7010: Return directly after a failed  kmalloc() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-20 20:50 +0200
          Re: [PATCH 3/9] staging: ks7010: Return directly after a failed  kmalloc() Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 08:30 +0200
            Re: staging: ks7010: Return directly after a failed kmalloc() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-22 09:40 +0200
              Re: staging: ks7010: Return directly after a failed kmalloc() Wolfram Sang <wsa@the-dreams.de> - 2016-07-22 09:50 +0200
  [PATCH 7/9] staging: ks7010: Replace three printk() calls by pr_err() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:30 +0200
    Re: [PATCH 7/9] staging: ks7010: Replace three printk() calls by  pr_err() Joe Perches <joe@perches.com> - 2016-07-17 22:30 +0200
      Re: [PATCH 7/9] staging: ks7010: Replace three printk() calls by  pr_err() Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
  [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the variable  "retval" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:30 +0200
    Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" Julia Lawall <julia.lawall@lip6.fr> - 2016-07-17 21:00 +0200
      Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
        Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-20 20:50 +0200
          Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 08:30 +0200
            Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 09:30 +0200
            Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the  variable "retval" Julia Lawall <julia.lawall@lip6.fr> - 2016-07-21 09:30 +0200
              Re: staging: ks7010: Delete unnecessary uses of the variable "retval" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 14:50 +0200
                Re: staging: ks7010: Delete unnecessary uses of the variable  "retval" Julia Lawall <julia.lawall@lip6.fr> - 2016-07-21 15:00 +0200
                Re: staging: ks7010: Delete unnecessary uses of the variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 18:40 +0200
            Re: staging: ks7010: Delete unnecessary uses of the variable "retval" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 15:40 +0200
              Re: staging: ks7010: Delete unnecessary uses of the variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 18:40 +0200
                Re: staging: ks7010: Delete unnecessary uses of the variable "retval" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 23:30 +0200
                Re: staging: ks7010: Delete unnecessary uses of the variable "retval" Wolfram Sang <wsa@the-dreams.de> - 2016-07-22 08:00 +0200
  [PATCH 8/9] staging: ks7010: Delete a variable in write_to_device() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:30 +0200
    Re: [PATCH 8/9] staging: ks7010: Delete a variable in  write_to_device() Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
  [PATCH 4/9] staging: ks7010: Rename jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:30 +0200
    Re: [PATCH 4/9] staging: ks7010: Rename jump labels Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
      Re: staging: ks7010: Rename jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-20 20:30 +0200
        Re: staging: ks7010: Rename jump labels Jean Delvare <jdelvare@suse.de> - 2016-07-20 23:20 +0200
          Re: staging: ks7010: Rename jump labels Wolfram Sang <wsa@the-dreams.de> - 2016-07-21 08:30 +0200
          Re: staging: ks7010: Rename jump labels "SF Markus Elfring" <elfring@users.sourceforge.net> - 2016-07-21 10:00 +0200
            Re: staging: ks7010: Rename jump labels Jean Delvare <jdelvare@suse.de> - 2016-07-25 14:40 +0200
          Re: staging: ks7010: Rename jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 17:40 +0200
            Re: staging: ks7010: Rename jump labels Jean Delvare <jdelvare@suse.de> - 2016-07-21 21:20 +0200
              Re: staging: ks7010: Rename jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 22:30 +0200
                Re: staging: ks7010: Rename jump labels Jean Delvare <jdelvare@suse.de> - 2016-07-25 14:40 +0200
                Re: staging: ks7010: Rename jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-25 18:20 +0200
                Re: staging: ks7010: Rename jump labels Jean Delvare <jdelvare@suse.de> - 2016-07-25 23:10 +0200
  [PATCH 6/9] staging: ks7010: Delete unnecessary braces SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:30 +0200
    Re: [PATCH 6/9] staging: ks7010: Delete unnecessary braces Julia Lawall <julia.lawall@lip6.fr> - 2016-07-17 21:00 +0200
      Re: [PATCH 6/9] staging: ks7010: Delete unnecessary braces Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
  [PATCH 9/9] staging: ks7010: Delete three unnecessary variable  initialisations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-17 20:40 +0200
    Re: [PATCH 9/9] staging: ks7010: Delete three unnecessary variable  initialisations Julia Lawall <julia.lawall@lip6.fr> - 2016-07-17 21:00 +0200
      Re: [PATCH 9/9] staging: ks7010: Delete three unnecessary variable  initialisations Wolfram Sang <wsa@the-dreams.de> - 2016-07-20 18:00 +0200
      Re: [PATCH 9/9] staging: ks7010: Delete three unnecessary variable  initialisations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 15:50 +0200
        Re: [PATCH 9/9] staging: ks7010: Delete three unnecessary variable  initialisations Julia Lawall <julia.lawall@lip6.fr> - 2016-07-21 16:00 +0200
          Re: staging: ks7010: Delete three unnecessary variable  initialisations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-21 16:20 +0200

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