[PATCH -next] crypto: sa2ul - fix wrong pointer passed to PTR_ERR()

[Wei Yongjun]

PTR_ERR should access the value just tested by IS_ERR, otherwise
the wrong error code will be returned.

Fixes: 7694b6ca649f ("crypto: sa2ul - Add crypto driver")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 drivers/crypto/sa2ul.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
index ebcdffcdb686..5bc099052bd2 100644
--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -2259,7 +2259,7 @@ static int sa_dma_init(struct sa_crypto_data *dd)
 
        dd->dma_tx = dma_request_chan(dd->dev, "tx");
        if (IS_ERR(dd->dma_tx)) {
-               if (PTR_ERR(dd->dma_rx1) != -EPROBE_DEFER)
+               if (PTR_ERR(dd->dma_tx) != -EPROBE_DEFER)
                        dev_err(dd->dev, "Unable to request tx DMA channel\n");
                ret = PTR_ERR(dd->dma_tx);
                goto err_dma_tx;