On Wed, 2013-04-10 at 07:05 -0400, Jeff Layton wrote:
> On Tue,  9 Apr 2013 18:17:41 +0100
> Sachin Prabhu <[email protected]> wrote:
> 
> > Fixes a regression in cifs_parse_mount_options where a password
> > which begins with a delimitor is parsed incorrectly as being a blank
> > password.
> > 
> > Signed-off-by: Sachin Prabhu <[email protected]>
> > ---
> >  fs/cifs/connect.c | 16 +++++++++++++---
> >  1 file changed, 13 insertions(+), 3 deletions(-)
> > 
> > diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> > index 12b3da3..f7199b9 100644
> > --- a/fs/cifs/connect.c
> > +++ b/fs/cifs/connect.c
> > @@ -1546,14 +1546,24 @@ cifs_parse_mount_options(const char *mountdata, 
> > const char *devname,
> >                     }
> >                     break;
> >             case Opt_blank_pass:
> > -                   vol->password = NULL;
> > -                   break;
> > -           case Opt_pass:
> >                     /* passwords have to be handled differently
> >                      * to allow the character used for deliminator
> >                      * to be passed within them
> >                      */
> >  
> > +                   /*
> > +                    * Check if this is a case where the  password
> > +                    * starts with a delimiter
> > +                    */
> > +                   tmp_end = strchr(data, '=');
> > +                   tmp_end++;
> > +                   if (!(tmp_end < end && tmp_end[1] == delim)) {
> > +                           /* No it is not. Set the password to NULL */
> > +                           vol->password = NULL;
> > +                           break;
> > +                   }
> > +                   /* Yes it is. Drop down to Opt_pass below.*/
> > +           case Opt_pass:
> >                     /* Obtain the value string */
> >                     value = strchr(data, '=');
> >                     value++;
> 
> Looks reasonable to me. Should this also go to stable?
> 

Yes. This will also need to be fixed in stable.

> Acked-by: Jeff Layton <[email protected]>
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