Commit 94eaa1bd authored May 07, 2008 by Patrick McHardy Committed by Herbert Xu Jul 10, 2008

[HIFN]: Handle ablkcipher_walk errors


    
ablkcipher_walk may return a negative error value, handle this properly
instead of treating it as a huge number of scatter-gather elements.
    
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 9e70a408

drivers/crypto/hifn_795x.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1602,7 +1602,10 @@ static int hifn_setup_session(struct ablkcipher_request *req)
		idx = 0;

		sg_num = ablkcipher_walk(req, &ctx->walk);

		if (sg_num < 0) {
		err = sg_num;
		goto err_out_exit;
		}
		atomic_set(&ctx->sg_num, sg_num);

		spin_lock_irqsave(&dev->lock, flags);