linux-kernel - [PATCH -next] staging: pi433: fix error return code in pi433

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Date:   Wed, 11 Jul 2018 13:15:54 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <minhnpq16@...il.com>, <viro@...iv.linux.org.uk>,
        <srishtishar@...il.com>, <Valentin.Vidic@...Net.hr>,
        <simon@...anor.nu>, <linux@...f-entwicklungen.de>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <devel@...verdev.osuosl.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] staging: pi433: fix error return code in pi433_probe()

Fix to return a negative error code from the kthread_run() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/staging/pi433/pi433_if.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 293602d..d4bfac1 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -1235,6 +1235,7 @@ static int pi433_probe(struct spi_device *spi)
 					     device->minor);
 	if (IS_ERR(device->tx_task_struct)) {
 		dev_dbg(device->dev, "start of send thread failed");
+		retval = PTR_ERR(device->tx_task_struct);
 		goto send_thread_failed;
 	}