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* [PATCH] i2c: imx: fix inconsistent IS_ERR and PTR_ERR
@ 2019-01-23  0:37 Gustavo A. R. Silva
  2019-01-23  8:28 ` Wolfram Sang
  0 siblings, 1 reply; 3+ messages in thread
From: Gustavo A. R. Silva @ 2019-01-23  0:37 UTC (permalink / raw)
  To: Oleksij Rempel, Shawn Guo, Sascha Hauer, Pengutronix Kernel Team,
	Fabio Estevam, NXP Linux Team
  Cc: linux-i2c, linux-arm-kernel, linux-kernel, Gustavo A. R. Silva

Fix inconsistent IS_ERR and PTR_ERR in i2c_imx_dma_request.

The proper pointer to be passed as argument is dma->chan_tx.

This bug was detected with the help of Coccinelle.

Fixes: 5b3a23a3cc94 ("i2c: imx: notify about real errors on dma i2c_imx_dma_request")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/i2c/busses/i2c-imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 09b124547669..42fed40198a0 100644
--- 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;
-- 
2.20.1


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2019-01-23  0:37 [PATCH] i2c: imx: fix inconsistent IS_ERR and PTR_ERR Gustavo A. R. Silva
2019-01-23  8:28 ` Wolfram Sang
2019-01-23  8:55   ` Gustavo A. R. Silva

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