i2c: imx: Fix inconsistent IS_ERR and PTR_ERR in i2c_imx_dma_request()

Change the call to PTR_ERR to access the value just tested by IS_ERR.

Fixes: 5b3a23a3cc94 ("i2c: imx: notify about real errors on dma i2c_imx_dma_request")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Esben Haabendal <esben@haabendal.dk>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 09b1245..42fed40 100644 (file)
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -287,7 +287,7 @@ static int i2c_imx_dma_request(struct imx_i2c_struct *i2c_imx,
 
        dma->chan_tx = dma_request_chan(dev, "tx");
        if (IS_ERR(dma->chan_tx)) {
-               ret = PTR_ERR(dma->chan_rx);
+               ret = PTR_ERR(dma->chan_tx);
                if (ret != -ENODEV && ret != -EPROBE_DEFER)
                        dev_err(dev, "can't request DMA tx channel (%d)\n", ret);
                goto fail_al;