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crypto: cavium/nitrox - dma_mapping_error() returns bool 

We want to return negative error codes here, but we're accidentally
propogating the "true" return from dma_mapping_error().

Fixes: 14fa93cdcd ("crypto: cavium - Add support for CNN55XX adapters.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Carpenter 2017-06-19 13:51:25 +03:00 committed by Herbert Xu
parent 8bd1d400f6
commit f2339eb9b9
1 changed files with 9 additions and 6 deletions
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15
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
View File

@ -199,9 +199,10 @@ static int dma_map_inbufs(struct nitrox_softreq *sr,
sr->in.sglist = glist;
/* map IV */
dma = dma_map_single(dev, &req->iv, req->ivsize, DMA_BIDIRECTIONAL);
ret = dma_mapping_error(dev, dma);
if (ret)
if (dma_mapping_error(dev, dma)) {
ret = -EINVAL;
goto iv_map_err;
}
sr->in.dir = (req->src == req->dst) ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
/* map src entries */
@ -268,16 +269,18 @@ static int dma_map_outbufs(struct nitrox_softreq *sr,
/* map ORH */
sr->resp.orh_dma = dma_map_single(dev, &sr->resp.orh, ORH_HLEN,
sr->out.dir);
ret = dma_mapping_error(dev, sr->resp.orh_dma);
if (ret)
if (dma_mapping_error(dev, sr->resp.orh_dma)) {
ret = -EINVAL;
goto orh_map_err;
}
/* map completion */
sr->resp.completion_dma = dma_map_single(dev, &sr->resp.completion,
COMP_HLEN, sr->out.dir);
ret = dma_mapping_error(dev, sr->resp.completion_dma);
if (ret)
if (dma_mapping_error(dev, sr->resp.completion_dma)) {
ret = -EINVAL;
goto compl_map_err;
}
sr->inplace = (req->src == req->dst) ? true : false;
/* out place */