From: Oliver Graute <oliver.graute@gmail.com>
Date: Tue, 19 Dec 2017 19:58:31 +0000 (+0100)
Subject: staging: pi433: pi433_write fixed the return value
X-Git-Tag: v4.16-rc1~112^2~279
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=dd1114693bcc7d3690442ef9d85c29dbd785f79b;p=linux.git

staging: pi433: pi433_write fixed the return value

The pi433_write function should return the number of processed bytes

Reported-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
Signed-off-by: Oliver Graute <oliver.graute@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 89c03601ec1f..1d7c50c1ac23 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -837,7 +837,7 @@ pi433_write(struct file *filp, const char __user *buf,
 	wake_up_interruptible(&device->tx_wait_queue);
 	dev_dbg(device->dev, "write: generated new msg with %d bytes.", copied);
 
-	return 0;
+	return copied;
 
 abort:
 	dev_dbg(device->dev, "write to fifo failed: 0x%x", retval);