diff options
| -rw-r--r-- | drivers/crypto/ccp/ccp-ops.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index 542453c9ba1c..d09c6c4af4aa 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -52,7 +52,7 @@ struct ccp_dm_workarea { struct ccp_sg_workarea { struct scatterlist *sg; - unsigned int nents; + int nents; struct scatterlist *dma_sg; struct device *dma_dev; @@ -495,7 +495,10 @@ static int ccp_init_sg_workarea(struct ccp_sg_workarea *wa, struct device *dev, if (!sg) return 0; - wa->nents = sg_nents(sg); + wa->nents = sg_nents_for_len(sg, len); + if (wa->nents < 0) + return wa->nents; + wa->bytes_left = len; wa->sg_used = 0; |