[CIFS] Fix oops in reset_cifs_unix_caps on reconnect

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

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 1f4bc71817019728ab9252e8033b9d9f5d2a487d..cf40e245fcf43ae9a98f6ef6f9dcecb2869ec011 100644 (file)
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1670,7 +1670,7 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
                /* We might be setting the path sep back to a different
                form if we are reconnecting and the server switched its
                posix path capability for this share */ 
-               if(CIFS_SB(sb)->prepathlen > 0)
+               if(sb && (CIFS_SB(sb)->prepathlen > 0))
                        CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb));
        
                cFYI(1,("Negotiate caps 0x%x",(int)cap));