Commit ae6ee6ae authored by Herbert Xu's avatar Herbert Xu
Browse files

lib/mpi: Fix unused variable warnings 



This patch removes a number of unused variables and marks others
as unused in order to silence compiler warnings about them.

Fixes: a8ea8bdd ("lib/mpi: Extend the MPI library")
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Tested-by: default avatarTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4a0c1de6

lib/mpi/mpi-div.c

+0 −4
Original line number Diff line number Diff line
@@ -92,7 +92,6 @@ void mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) 
	unsigned int normalization_steps;

	mpi_limb_t q_limb;

	mpi_ptr_t marker[5];

	unsigned int marker_nlimbs[5];

	int markidx = 0;



	/* Ensure space is enough for quotient and remainder.
@@ -152,7 +151,6 @@ void mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) 
		 * numerator would be gradually overwritten by the quotient limbs.

		 */

		if (qp == np) { /* Copy NP object to temporary space.  */

			marker_nlimbs[markidx] = nsize;

			np = marker[markidx++] = mpi_alloc_limb_space(nsize);

			MPN_COPY(np, qp, nsize);

		}
@@ -173,7 +171,6 @@ void mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) 
		 * the most significant word.  Use temporary storage not to clobber

		 * the original contents of the denominator.

		 */

		marker_nlimbs[markidx] = dsize;

		tp = marker[markidx++] = mpi_alloc_limb_space(dsize);

		mpihelp_lshift(tp, dp, dsize, normalization_steps);

		dp = tp;
@@ -195,7 +192,6 @@ void mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) 
		if (dp == rp || (quot && (dp == qp))) {

			mpi_ptr_t tp;



			marker_nlimbs[markidx] = dsize;

			tp = marker[markidx++] = mpi_alloc_limb_space(dsize);

			MPN_COPY(tp, dp, dsize);

			dp = tp;

lib/mpi/mpi-internal.h

+1 −1
Original line number Diff line number Diff line
@@ -114,7 +114,7 @@ typedef int mpi_size_t; /* (must be a signed type) */ 
 */

#define UDIV_QRNND_PREINV(q, r, nh, nl, d, di)				\

	do {								\

		mpi_limb_t _ql;						\

		mpi_limb_t _ql __maybe_unused;				\

		mpi_limb_t _q, _r;					\

		mpi_limb_t _xh, _xl;					\

		umul_ppmm(_q, _ql, (nh), (di));				\

lib/mpi/mpi-mul.c

+0 −3
Original line number Diff line number Diff line
@@ -21,7 +21,6 @@ void mpi_mul(MPI w, MPI u, MPI v) 
	int usign, vsign, sign_product;

	int assign_wp = 0;

	mpi_ptr_t tmp_limb = NULL;

	unsigned int tmp_limb_nlimbs = 0;



	if (u->nlimbs < v->nlimbs) {

		/* Swap U and V. */
@@ -55,7 +54,6 @@ void mpi_mul(MPI w, MPI u, MPI v) 
	} else { /* Make U and V not overlap with W.	*/

		if (wp == up) {

			/* W and U are identical.  Allocate temporary space for U. */

			tmp_limb_nlimbs = usize;

			up = tmp_limb = mpi_alloc_limb_space(usize);

			/* Is V identical too?  Keep it identical with U.  */

			if (wp == vp)
@@ -64,7 +62,6 @@ void mpi_mul(MPI w, MPI u, MPI v) 
			MPN_COPY(up, wp, usize);

		} else if (wp == vp) {

			/* W and V are identical.  Allocate temporary space for V. */

			tmp_limb_nlimbs = vsize;

			vp = tmp_limb = mpi_alloc_limb_space(vsize);

			/* Copy to the temporary space.  */

			MPN_COPY(vp, wp, vsize);

lib/mpi/mpih-div.c

+2 −2
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ mpihelp_mod_1(mpi_ptr_t dividend_ptr, mpi_size_t dividend_size, 
{

	mpi_size_t i;

	mpi_limb_t n1, n0, r;

	mpi_limb_t dummy;

	mpi_limb_t dummy __maybe_unused;



	/* Botch: Should this be handled at all?  Rely on callers?	*/

	if (!dividend_size)
@@ -382,7 +382,7 @@ mpihelp_divmod_1(mpi_ptr_t quot_ptr, 
{

	mpi_size_t i;

	mpi_limb_t n1, n0, r;

	mpi_limb_t dummy;

	mpi_limb_t dummy __maybe_unused;



	if (!dividend_size)

		return 0;