git: sbin/hammer: Remove meaningless sscanf for "@@PFS%d" format

[Tomohiro Kusumi]

commit 143313913f4251064142972c3a6c8b94660b4fab
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Wed Sep 21 10:48:39 2016 +0900

    sbin/hammer: Remove meaningless sscanf for "@@PFS%d" format
    
    This isn't necessary as userspace never reads "@@PFS%d" via readlink(2).
    "@@%jx:%d" covers all the necessary patterns.
    
    It also shouldn't be here because the first stat(2) call in this
    function ignores the result due to possible slave PFS (before once
    synced with a master PFS), so an arbitrary string that matches this
    "@@PFS%d" pattern for path argument (whether it really exists or not)
    makes this function return non negative fd while it should return -1.
    
    If "@@PFS%d" is the name of an existing file or a directory, then
    that's also not what this function is looking for, so it can still
    be ignored.

Summary of changes:
 sbin/hammer/cmd_pfs.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/143313913f4251064142972c3a6c8b94660b4fab


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