Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH 3/4] crypto: caamhash: add two missed dma_mapping_error | Date | Sat, 28 Feb 2015 14:00:33 +0800 |
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From: Yanjiang Jin <yanjiang.jin@windriver.com>
Add two missed dma_mapping_error() after dma_map_single().
Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com> --- drivers/crypto/caam/caamhash.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index f347ab7..f6ad322 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -160,6 +160,10 @@ static inline dma_addr_t map_seq_out_ptr_result(u32 *desc, struct device *jrdev, dma_addr_t dst_dma; dst_dma = dma_map_single(jrdev, result, digestsize, DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, dst_dma)) { + dev_err(jrdev, "unable to map dst dma\n"); + return -ENOMEM; + } append_seq_out_ptr(desc, dst_dma, digestsize, 0); return dst_dma; @@ -173,6 +177,10 @@ static inline dma_addr_t buf_map_to_sec4_sg(struct device *jrdev, dma_addr_t buf_dma; buf_dma = dma_map_single(jrdev, buf, buflen, DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, buf_dma)) { + dev_err(jrdev, "unable to map buf dma\n"); + return 0; + } dma_to_sec4_sg_one(sec4_sg, buf_dma, buflen, 0); return buf_dma; -- 1.9.1
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