tree b164fd09adda6397a46d7a0e2e1438a3b5525d72
parent fafc9929c668f8bae6dd1f109f33a86d2cb3c460
author Jeff Layton <jlayton@redhat.com> 1303925151 -0400
committer Steve French <sfrench@us.ibm.com> 1304053055 +0000

cifs: change bleft in decode_unicode_ssetup back to signed type

The buffer length checks in this function depend on this value being a
signed data type, but 690c522fa converted it to an unsigned type.

Also, eliminate a problem with the null termination check in the same
function. cifs_strndup_from_ucs handles that situation correctly
already, and the existing check could potentially lead to a buffer
overrun since it increments bleft without checking to see whether it
falls off the end of the buffer.

Cc: stable@kernel.org
Reported-and-Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>