[CIFS] Remove redundant test

In fs/cifs/cifssmb.c, pLockData is tested for being NULL at the beginning
of the function, and not reassigned subsequently.

A simplified version of the semantic patch that makes this change is as
follows: (http://www.emn.fr/x-info/coccinelle/)

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 824df142f288..552642a507c4 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1871,10 +1871,6 @@ CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
                         rc = -EIO;      /* bad smb */
                         goto plk_err_exit;
                 }
-                if (pLockData == NULL) {
-                        rc = -EINVAL;
-                        goto plk_err_exit;
-                }
                 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
                 data_count  = le16_to_cpu(pSMBr->t2.DataCount);
                 if (data_count < sizeof(struct cifs_posix_lock)) {