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 <yuehaib...@huawei.com>
---
 drivers/crypto/chelsio/chcr_algo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/chelsio/chcr_algo.c 
b/drivers/crypto/chelsio/chcr_algo.c
index adc1b30..18b8a71 100644
--- 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_request *req,
        /* 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];
-- 
2.7.0


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