crypto: sahara - fix type of ret for wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int, this
patch adds appropriate variables of type unsigned long.

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

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index 290a7f0a681f..b65e2a5ab46f 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -576,6 +576,7 @@ static int sahara_aes_process(struct ablkcipher_request *req)
         struct sahara_ctx *ctx;
         struct sahara_aes_reqctx *rctx;
         int ret;
+        unsigned long timeout;
 
         /* Request is ready to be dispatched by the device */
         dev_dbg(dev->device,
@@ -602,9 +603,9 @@ static int sahara_aes_process(struct ablkcipher_request *req)
 
         ret = sahara_hw_descriptor_create(dev);
 
-        ret = wait_for_completion_timeout(&dev->dma_completion,
+        timeout = wait_for_completion_timeout(&dev->dma_completion,
                                 msecs_to_jiffies(SAHARA_TIMEOUT_MS));
-        if (!ret) {
+        if (!timeout) {
                 dev_err(dev->device, "AES timeout\n");
                 return -ETIMEDOUT;
         }
@@ -1045,6 +1046,7 @@ static int sahara_sha_process(struct ahash_request *req)
         struct sahara_dev *dev = dev_ptr;
         struct sahara_sha_reqctx *rctx = ahash_request_ctx(req);
         int ret = -EINPROGRESS;
+        unsigned long timeout;
 
         ret = sahara_sha_prepare_request(req);
         if (!ret)
@@ -1070,9 +1072,9 @@ static int sahara_sha_process(struct ahash_request *req)
 
         sahara_write(dev, dev->hw_phys_desc[0], SAHARA_REG_DAR);
 
-        ret = wait_for_completion_timeout(&dev->dma_completion,
+        timeout = wait_for_completion_timeout(&dev->dma_completion,
                                 msecs_to_jiffies(SAHARA_TIMEOUT_MS));
-        if (!ret) {
+        if (!timeout) {
                 dev_err(dev->device, "SHA timeout\n");
                 return -ETIMEDOUT;
         }