On Wed, 04 Aug 2010 16:55:50 +0530
Suresh Jayaraman <[email protected]> wrote:

> On 08/04/2010 04:23 PM, Jeff Layton wrote:
> > On Wed, 04 Aug 2010 12:31:40 +0530
> > Suresh Jayaraman <[email protected]> wrote:
> > 
> >> @@ -1521,7 +1520,6 @@ add_mtab(char *devname, char *mountpoint, unsigned 
> >> long flags, const char *fstyp
> >>    if (!pmntfile) {
> >>            fprintf(stderr, "could not update mount table\n");
> >>            unlock_mtab();
> >> -          rc = EX_FILEIO;
> >>            goto add_mtab_exit;
> >>    }
> >             ^^^^^^^^^^^
> > This looks wrong. If we don't set rc here, then it'll still be 0 and
> > the code at add_mtab_exit won't set it to EX_FILEIO.
> > 
> 
> My bad.. I guess it's due to the effect of working with multiple code 
> versions..
> 
> Here's another version which is slightly different.. 
> 
> 
> From: Suresh Jayaraman <[email protected]>
> Subject: [PATCH] mount.cifs: remove redundant error assignment
> 
> Avoid setting error code twice by moving error handling out of add_mtab_exit
> block. We already set error code and report error in other places.
> 
> Signed-off-by: Suresh Jayaraman <[email protected]>
> ---
>  mount.cifs.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/mount.cifs.c b/mount.cifs.c
> index 9f04261..3623e76 100644
> --- a/mount.cifs.c
> +++ b/mount.cifs.c
> @@ -1554,16 +1554,16 @@ add_mtab(char *devname, char *mountpoint, unsigned 
> long flags, const char *fstyp
>       mountent.mnt_freq = 0;
>       mountent.mnt_passno = 0;
>       rc = addmntent(pmntfile, &mountent);
> +     if (rc) {
> +             fprintf(stderr, "unable to add mount entry to mtab\n");
> +             rc = EX_FILEIO;
> +     }
>       endmntent(pmntfile);
>       unlock_mtab();
>       SAFE_FREE(mountent.mnt_opts);
>  add_mtab_exit:
>       toggle_dac_capability(1, 0);
>       sigprocmask(SIG_SETMASK, &oldmask, NULL);
> -     if (rc) {
> -             fprintf(stderr, "unable to add mount entry to mtab\n");
> -             rc = EX_FILEIO;
> -     }
>  
>       return rc;
>  }
> --
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> 

That looks more reasonable...committed.

-- 
Jeff Layton <[email protected]>
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