[CIFS] Fix possible double free if search immediately after search rewind fails

Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 83f3069..5f40ed3 100644 (file)
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -690,6 +690,7 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon,
                        else
                                cifs_buf_release(cifsFile->srch_inf.
                                                ntwrk_buf_start);
+                       cifsFile->srch_inf.ntwrk_buf_start = NULL;
                }
                rc = initiate_cifs_search(xid, file);
                if (rc) {