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Commit 8efbc2c0 authored by Russell King's avatar Russell King Committed by Herbert Xu
Browse files

crypto: marvell/cesa - fix first-fragment handling in mv_cesa_ahash_dma_last_req() 



When adding the software padding, this must be done using the first/mid
fragment mode, and any subsequent operation needs to be a mid-fragment.
Fix this.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent ab270e70

drivers/crypto/marvell/hash.c

+0 −8
Original line number Diff line number Diff line
@@ -575,20 +575,12 @@ mv_cesa_ahash_dma_last_req(struct mv_cesa_tdma_chain *chain, 
		if (IS_ERR(op))

			return op;



		mv_cesa_update_op_cfg(op, CESA_SA_DESC_CFG_MID_FRAG,

				      CESA_SA_DESC_CFG_FRAG_MSK);



		if (len == trailerlen)

			return op;



		padoff += len;

	}



	if (!mv_cesa_mac_op_is_first_frag(&creq->op_tmpl))

		mv_cesa_update_op_cfg(&creq->op_tmpl,

				      CESA_SA_DESC_CFG_MID_FRAG,

				      CESA_SA_DESC_CFG_FRAG_MSK);



	ret = mv_cesa_dma_add_data_transfer(chain,

					    CESA_SA_DATA_SRAM_OFFSET,

					    ahashdreq->padding_dma +