This assignment isn't needed because we did it earlier already.

Also another reason to delete the assignment is because it triggers a
Smatch warning about checking for NULL pointers after a dereference.
Reported-by: NVlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>