[PATCH] staging: ozwpan: ozproto.c: Fix for possible null pointer dereference

[Dan Carpenter]

On Tue, May 20, 2014 at 11:28:59PM +0200, Rickard Strandqvist wrote:
> There is otherwise a risk of a possible null pointer dereference.
> 
> Was largely found by using a static code analysis program called cppcheck.
> 

This is the empty string by default, or a module parameter.  I have
looked at param_set_charp() and I don't think a string module parameter
can be a NULL pointer.

regards,
dan carpenter