summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/crypto/qat/qat_common/qat_algs.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 20f35df8a01f..1a1d75fb189f 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -685,7 +685,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
blp = dma_map_single(dev, bufl, sz, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, blp)))
- goto err;
+ goto err_in;
for_each_sg(sgl, sg, n, i) {
int y = sg_nctr;
@@ -698,7 +698,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
DMA_BIDIRECTIONAL);
bufl->bufers[y].len = sg->length;
if (unlikely(dma_mapping_error(dev, bufl->bufers[y].addr)))
- goto err;
+ goto err_in;
sg_nctr++;
}
bufl->num_bufs = sg_nctr;
@@ -716,10 +716,10 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
buflout = kzalloc_node(sz_out, GFP_ATOMIC,
dev_to_node(&GET_DEV(inst->accel_dev)));
if (unlikely(!buflout))
- goto err;
+ goto err_in;
bloutp = dma_map_single(dev, buflout, sz_out, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, bloutp)))
- goto err;
+ goto err_out;
bufers = buflout->bufers;
for_each_sg(sglout, sg, n, i) {
int y = sg_nctr;
@@ -731,7 +731,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
sg->length,
DMA_BIDIRECTIONAL);
if (unlikely(dma_mapping_error(dev, bufers[y].addr)))
- goto err;
+ goto err_out;
bufers[y].len = sg->length;
sg_nctr++;
}
@@ -746,9 +746,20 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
qat_req->buf.sz_out = 0;
}
return 0;
-err:
- dev_err(dev, "Failed to map buf for dma\n");
- sg_nctr = 0;
+
+err_out:
+ n = sg_nents(sglout);
+ for (i = 0; i < n; i++)
+ if (!dma_mapping_error(dev, buflout->bufers[i].addr))
+ dma_unmap_single(dev, buflout->bufers[i].addr,
+ buflout->bufers[i].len,
+ DMA_BIDIRECTIONAL);
+ if (!dma_mapping_error(dev, bloutp))
+ dma_unmap_single(dev, bloutp, sz_out, DMA_TO_DEVICE);
+ kfree(buflout);
+
+err_in:
+ n = sg_nents(sgl);
for (i = 0; i < n; i++)
if (!dma_mapping_error(dev, bufl->bufers[i].addr))
dma_unmap_single(dev, bufl->bufers[i].addr,
@@ -758,17 +769,8 @@ err:
if (!dma_mapping_error(dev, blp))
dma_unmap_single(dev, blp, sz, DMA_TO_DEVICE);
kfree(bufl);
- if (sgl != sglout && buflout) {
- n = sg_nents(sglout);
- for (i = 0; i < n; i++)
- if (!dma_mapping_error(dev, buflout->bufers[i].addr))
- dma_unmap_single(dev, buflout->bufers[i].addr,
- buflout->bufers[i].len,
- DMA_BIDIRECTIONAL);
- if (!dma_mapping_error(dev, bloutp))
- dma_unmap_single(dev, bloutp, sz_out, DMA_TO_DEVICE);
- kfree(buflout);
- }
+
+ dev_err(dev, "Failed to map buf for dma\n");
return -ENOMEM;
}
OpenPOWER on IntegriCloud