linux-kernel - [PATCH 1/4] parport: daisy: avoid hardcoded name

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Date:   Wed, 16 Oct 2019 15:45:37 +0100
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Michal Kubecek <mkubecek@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 1/4] parport: daisy: avoid hardcoded name

The daisy device name is hardcoded, define it in the header file and
use it in the code.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@...il.com>
---
 drivers/parport/probe.c | 2 +-
 include/linux/parport.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index e035174ba205..4e2bfeb6b4a6 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -257,7 +257,7 @@ static ssize_t parport_read_device_id (struct parport *port, char *buffer,
 ssize_t parport_device_id (int devnum, char *buffer, size_t count)
 {
 	ssize_t retval = -ENXIO;
-	struct pardevice *dev = parport_open (devnum, "Device ID probe");
+	struct pardevice *dev = parport_open(devnum, daisy_dev_name);
 	if (!dev)
 		return -ENXIO;
 
diff --git a/include/linux/parport.h b/include/linux/parport.h
index 397607a0c0eb..13932ce8b37b 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -460,6 +460,7 @@ extern size_t parport_ieee1284_epp_read_addr (struct parport *,
 					      void *, size_t, int);
 
 /* IEEE1284.3 functions */
+#define daisy_dev_name "Device ID probe"
 extern int parport_daisy_init (struct parport *port);
 extern void parport_daisy_fini (struct parport *port);
 extern struct pardevice *parport_open (int devnum, const char *name);
-- 
2.11.0