crypto: sahara - pass on error condition

A failure of sahara_hw_descriptor_create() with -EINVAL due to scatter list
out of bounds/invalid would not be reported back. This patch just passes on
the -EINVAL so it is visible in sahara_queue_manage().

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index b65e2a5..822978d 100644 (file)
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -602,6 +602,8 @@ static int sahara_aes_process(struct ablkcipher_request *req)
        reinit_completion(&dev->dma_completion);
 
        ret = sahara_hw_descriptor_create(dev);
+       if (ret)
+               return -EINVAL;
 
        timeout = wait_for_completion_timeout(&dev->dma_completion,
                                msecs_to_jiffies(SAHARA_TIMEOUT_MS));