39be6b8b0c
The return pointer from dgap_getword() is used in strcmp() where it is dereferenced. But dgap_getword() can return NULL. Lets put a check there and return 0 as error. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>