diff options
author | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-09-22 13:19:32 +0000 |
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committer | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-09-22 13:19:32 +0000 |
commit | 8b231e0e8ea0c43d791f6429089dbf0530c0125b (patch) | |
tree | c4f34a09bc0d9b8fabb9b9dbb2082ce8fee9b524 /drivers/crypto | |
parent | aad410850445424f566e57a419527b6e2d3ab42d (diff) | |
parent | 07e5f23d3fa6ca98457d1a2177a735fcc65923c2 (diff) |
Merge tag 'v5.4.148' into 5.4-2.3.x-imx
This is the 5.4.148 stable release
Conflicts:
- drivers/dma/imx-sdma.c:
Following upstream patches are already applied to NXP tree:
7cfbf391e870 ("dmaengine: imx-sdma: remove duplicated sdma_load_context")
788122c99d85 ("Revert "dmaengine: imx-sdma: refine to load context only
once"")
- drivers/usb/chipidea/host.c:
Merge upstream commit a18cfd715e91 ("usb: chipidea: host: fix port index
underflow and UBSAN complains") to NXP version.
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'drivers/crypto')
-rw-r--r-- | drivers/crypto/mxs-dcp.c | 36 |
1 files changed, 9 insertions, 27 deletions
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index d22f69d89284..7c599649341e 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -305,21 +305,20 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq) struct scatterlist *dst = req->dst; struct scatterlist *src = req->src; - const int nents = sg_nents(req->src); + int dst_nents = sg_nents(dst); const int out_off = DCP_BUF_SZ; uint8_t *in_buf = sdcp->coh->aes_in_buf; uint8_t *out_buf = sdcp->coh->aes_out_buf; - uint8_t *out_tmp, *src_buf, *dst_buf = NULL; uint32_t dst_off = 0; + uint8_t *src_buf = NULL; uint32_t last_out_len = 0; uint8_t *key = sdcp->coh->aes_key; int ret = 0; - int split = 0; - unsigned int i, len, clen, rem = 0, tlen = 0; + unsigned int i, len, clen, tlen = 0; int init = 0; bool limit_hit = false; @@ -340,7 +339,7 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq) memset(key + AES_KEYSIZE_128, 0, AES_KEYSIZE_128); } - for_each_sg(req->src, src, nents, i) { + for_each_sg(req->src, src, sg_nents(src), i) { src_buf = sg_virt(src); len = sg_dma_len(src); tlen += len; @@ -365,34 +364,17 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq) * submit the buffer. */ if (actx->fill == out_off || sg_is_last(src) || - limit_hit) { + limit_hit) { ret = mxs_dcp_run_aes(actx, req, init); if (ret) return ret; init = 0; - out_tmp = out_buf; + sg_pcopy_from_buffer(dst, dst_nents, out_buf, + actx->fill, dst_off); + dst_off += actx->fill; last_out_len = actx->fill; - while (dst && actx->fill) { - if (!split) { - dst_buf = sg_virt(dst); - dst_off = 0; - } - rem = min(sg_dma_len(dst) - dst_off, - actx->fill); - - memcpy(dst_buf + dst_off, out_tmp, rem); - out_tmp += rem; - dst_off += rem; - actx->fill -= rem; - - if (dst_off == sg_dma_len(dst)) { - dst = sg_next(dst); - split = 0; - } else { - split = 1; - } - } + actx->fill = 0; } } while (len); |