+++ This bug was initially created as a clone of Bug #1007281 +++

Description of problem:
mountstats command could not process the  argument /mountpoint/
mountstats  /mountpoint   work fine
mountstats  /mountpoint/  can not work

Version-Release number of selected component (if applicable):
all RHEL5.9,10 RHEL6.4,5 RHEL7.0

How reproducible:
100%

Steps to Reproduce:
1. mountstats  /mountpoint/
2.
3.

Actual results:
[root@dhcp-13-188 ~]# mountstats  /media/
Statistics for mount point /media/ not found
[root@dhcp-13-188 ~]# mountstats  /media
Stats for 127.0.0.1:/tmp/ mounted on /media:
  NFS mount options: rw,vers=4,rsize=131072,wsize=131072,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=127.0.0.1,minorversion=0,local_lock=none
  NFS server capabilities: caps=0xffff,wtmult=512,dtsize=32768,bsize=0,namlen=255
  NFSv4 capability flags: bm0=0xfdffbfff,bm1=0xf9be3e,acl=0x3
  NFS security flavor: 1  pseudoflavor: 0

NFS byte counts:
  applications read 0 bytes via read(2)
  applications wrote 0 bytes via write(2)
  applications read 0 bytes via O_DIRECT read(2)
  applications wrote 0 bytes via O_DIRECT write(2)
  client read 0 bytes via NFS READ
  client wrote 0 bytes via NFS WRITE

RPC statistics:
  18 RPC requests sent, 18 RPC replies received (0 XIDs not found)
  average backlog queue length: 0

FSINFO:
        1 ops (5%)      0 retrans (0%)  0 major timeouts
        avg bytes sent per op: 160      avg bytes received per op: 108
        backlog wait: 0.000000  RTT: 0.000000   total execute time: 0.000000 (milliseconds)
GETATTR:
        2 ops (11%)     0 retrans (0%)  0 major timeouts
        avg bytes sent per op: 160      avg bytes received per op: 220
        backlog wait: 0.000000  RTT: 1.000000   total execute time: 2.500000 (milliseconds)
PATHCONF:
        1 ops (5%)      0 retrans (0%)  0 major timeouts
        avg bytes sent per op: 156      avg bytes received per op: 72
        backlog wait: 0.000000  RTT: 0.000000   total execute time: 0.000000 (milliseconds)
SERVER_CAPS:
        2 ops (11%)     0 retrans (0%)  0 major timeouts
        avg bytes sent per op: 156      avg bytes received per op: 88
        backlog wait: 0.000000  RTT: 0.000000   total execute time: 0.000000 (milliseconds)

Expected results:
mountstats  /mountpoint/  can work too, same as mountstats  /mountpoint

Additional info: