[HIFN 03/n]: Indicate asynchronous processing to crypto API

[Patrick McHardy <kaber@trash.net>]

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commit 835b2aece80670cd439ff74e51a647836f73d0ca
Author: Patrick McHardy <kaber@trash.net>
Date:   Wed May 7 12:42:06 2008 +0200

    [HIFN]: Indicate asynchronous processing to crypto API
    
    hifn_setup_crypto() needs to return -EINPROGRESS on success to indicate
    asynchronous processing to the crypto API. This also means it must not
    return the errno code returned by hifn_process_queue(), if any.
    
    Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index e5c3bc4..cce6e6f 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2202,9 +2202,9 @@ static int hifn_setup_crypto(struct ablkcipher_request *req, u8 op,
 		return err;
 
 	if (dev->started < HIFN_QUEUE_LENGTH &&	dev->queue.qlen)
-		err = hifn_process_queue(dev);
+		hifn_process_queue(dev);
 
-	return err;
+	return -EINPROGRESS;
 }
 
 /*