From: YueHaibing <yuehaibing@huawei.com>
Date: Wed, 23 Jan 2019 14:55:17 +0800
Subject: crypto: chelsio - Fix passing zero to 'PTR_ERR' warning in
 chcr_aead_op
Patch-mainline: v5.1-rc1
Git-commit: b04a27ca175d66f3662ad334f538254d560838f9
References: bsc#1136353 jsc#SLE-4688

Fix a static code checker warning:
drivers/crypto/chelsio/chcr_algo.c:3681
 chcr_aead_op() warn: passing zero to 'PTR_ERR'

Fixes: 2debd3325e55 ("crypto: chcr - Add AEAD algos.")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/crypto/chelsio/chcr_algo.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -3676,9 +3676,9 @@ static int chcr_aead_op(struct aead_requ
 	/* Form a WR from req */
 	skb = create_wr_fn(req, u_ctx->lldi.rxq_ids[a_ctx(tfm)->rx_qidx], size);
 
-	if (IS_ERR(skb) || !skb) {
+	if (IS_ERR_OR_NULL(skb)) {
 		chcr_dec_wrcount(cdev);
-		return PTR_ERR(skb);
+		return PTR_ERR_OR_ZERO(skb);
 	}
 
 	skb->dev = u_ctx->lldi.ports[0];