summaryrefslogtreecommitdiff
path: root/drivers/crypto/caam
diff options
context:
space:
mode:
authorHoria Geantă <horia.geanta@nxp.com>2020-06-19 16:22:53 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-06-26 07:46:43 +0300
commitd095146cae11b89a1e4e531a9ff87731d0f5eadd (patch)
treeecb59c2989bbb192fb317aa24cc9291e8096fbce /drivers/crypto/caam
parent84d840e1dd90e5fc07dedbd16df0dae7b3b3ef1a (diff)
downloadlinux-d095146cae11b89a1e4e531a9ff87731d0f5eadd.tar.xz
crypto: caam/qi2 - fix return code in ahash_finup_no_ctx()
ahash_finup_no_ctx() returns -ENOMEM in most error cases, and this is fine for almost all of them. However, the return code provided by dpaa2_caam_enqueue() (e.g. -EIO or -EBUSY) shouldn't be overridden by -ENOMEM. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam')
-rw-r--r--drivers/crypto/caam/caamalg_qi2.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c
index 1e90412afea2..45e9ff851e2d 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -4004,7 +4004,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
int digestsize = crypto_ahash_digestsize(ahash);
struct ahash_edesc *edesc;
struct dpaa2_sg_entry *sg_table;
- int ret;
+ int ret = -ENOMEM;
src_nents = sg_nents_for_len(req->src, req->nbytes);
if (src_nents < 0) {
@@ -4017,7 +4017,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
DMA_TO_DEVICE);
if (!mapped_nents) {
dev_err(ctx->dev, "unable to DMA map source\n");
- return -ENOMEM;
+ return ret;
}
} else {
mapped_nents = 0;
@@ -4027,7 +4027,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
edesc = qi_cache_zalloc(GFP_DMA | flags);
if (!edesc) {
dma_unmap_sg(ctx->dev, req->src, src_nents, DMA_TO_DEVICE);
- return -ENOMEM;
+ return ret;
}
edesc->src_nents = src_nents;
@@ -4044,6 +4044,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
DMA_TO_DEVICE);
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) {
dev_err(ctx->dev, "unable to map S/G table\n");
+ ret = -ENOMEM;
goto unmap;
}
edesc->qm_sg_bytes = qm_sg_bytes;
@@ -4054,6 +4055,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
if (dma_mapping_error(ctx->dev, state->ctx_dma)) {
dev_err(ctx->dev, "unable to map ctx\n");
state->ctx_dma = 0;
+ ret = -ENOMEM;
goto unmap;
}
@@ -4080,7 +4082,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
unmap:
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE);
qi_cache_free(edesc);
- return -ENOMEM;
+ return ret;
}
static int ahash_update_first(struct ahash_request *req)