836 				 const struct gf_poly *f, struct gf_poly *z,  in compute_trace_bk_mod()  argument
843 	z->deg = 1;  in compute_trace_bk_mod()
844 	z->c[0] = 0;  in compute_trace_bk_mod()
845 	z->c[1] = bch->a_pow_tab[k];  in compute_trace_bk_mod()
855 		for (j = z->deg; j >= 0; j--) {  in compute_trace_bk_mod()
856 			out->c[j] ^= z->c[j];  in compute_trace_bk_mod()
857 			z->c[2*j] = gf_sqr(bch, z->c[j]);  in compute_trace_bk_mod()
858 			z->c[2*j+1] = 0;  in compute_trace_bk_mod()
860 		if (z->deg > out->deg)  in compute_trace_bk_mod()
861 			out->deg = z->deg;  in compute_trace_bk_mod()
864 			z->deg *= 2;  in compute_trace_bk_mod()
866 			gf_poly_mod(bch, z, f, bch->cache);  in compute_trace_bk_mod()
884 	struct gf_poly *z  = bch->poly_2t[3];  in factor_polynomial()  local
893 	compute_trace_bk_mod(bch, k, f, z, tk);  in factor_polynomial()