linux-kernel - [PATCH v2 1/2] i2c: imx: fix dma_request

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 16 Jan 2019 13:28:54 +0200
From:   Laurentiu Tudor <laurentiu.tudor@....com>
To:     linux-i2c@...r.kernel.org, linux-imx@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, wsa@...-dreams.de
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        fabio.estevam@....com, leoyang.li@....com,
        Laurentiu Tudor <laurentiu.tudor@....com>
Subject: [PATCH v2 1/2] i2c: imx: fix dma_request_chan error handling

Use the correct error pointer when extracting the error code.

Fixes: ea1e5f176e97 ("i2c: imx: notify about real errors on dma i2c_imx_dma_request")
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@....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;
-- 
2.17.1