diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2016-09-15 16:00:55 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-09-22 18:27:46 +0800 |
| commit | 06435f3437599d01653d42670c604d0b28a878e1 (patch) | |
| tree | d3f05146fe63d8405a957db625a425950e6ad420 /drivers/crypto/caam/caamhash.c | |
| parent | 9e6df0fdfc4b3067de03f7be02f274e0a81737e7 (diff) | |
crypto: caam - Move common error handling code in two functions
Move statements for error handling which were identical
in two if branches to the end of these functions.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamhash.c')
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index adb8b19ee942..660dc206969f 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -1231,9 +1231,7 @@ static int ahash_final_no_ctx(struct ahash_request *req) state->buf_dma = dma_map_single(jrdev, buf, buflen, DMA_TO_DEVICE); if (dma_mapping_error(jrdev, state->buf_dma)) { dev_err(jrdev, "unable to map src\n"); - ahash_unmap(jrdev, edesc, req, digestsize); - kfree(edesc); - return -ENOMEM; + goto unmap; } append_seq_in_ptr(desc, state->buf_dma, buflen, 0); @@ -1242,9 +1240,7 @@ static int ahash_final_no_ctx(struct ahash_request *req) digestsize); if (dma_mapping_error(jrdev, edesc->dst_dma)) { dev_err(jrdev, "unable to map dst\n"); - ahash_unmap(jrdev, edesc, req, digestsize); - kfree(edesc); - return -ENOMEM; + goto unmap; } edesc->src_nents = 0; @@ -1262,6 +1258,11 @@ static int ahash_final_no_ctx(struct ahash_request *req) } return ret; + unmap: + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return -ENOMEM; + } /* submit ahash update if it the first job descriptor after update */ @@ -1453,18 +1454,14 @@ static int ahash_finup_no_ctx(struct ahash_request *req) req->nbytes); if (ret) { dev_err(jrdev, "unable to map S/G table\n"); - ahash_unmap(jrdev, edesc, req, digestsize); - kfree(edesc); - return -ENOMEM; + goto unmap; } edesc->dst_dma = map_seq_out_ptr_result(desc, jrdev, req->result, digestsize); if (dma_mapping_error(jrdev, edesc->dst_dma)) { dev_err(jrdev, "unable to map dst\n"); - ahash_unmap(jrdev, edesc, req, digestsize); - kfree(edesc); - return -ENOMEM; + goto unmap; } #ifdef DEBUG @@ -1481,6 +1478,11 @@ static int ahash_finup_no_ctx(struct ahash_request *req) } return ret; + unmap: + ahash_unmap(jrdev, edesc, req, digestsize); + kfree(edesc); + return -ENOMEM; + } /* submit first update job descriptor after init */ |