linux-kernel - [PATCH for-4.16 3/3] drivers: base: remove check for callback in coredump

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Date:   Thu, 15 Mar 2018 10:55:25 +0100
From:   Arend van Spriel <aspriel@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Brian Norris <briannorris@...omium.org>,
        Arend van Spriel <aspriel@...il.com>
Subject: [PATCH for-4.16 3/3] drivers: base: remove check for callback in coredump_store()

The check for the .coredump() callback in coredump_store() is
redundant. It is already assured the device driver implements
the callback upon creating the coredump sysfs entry.

Signed-off-by: Arend van Spriel <aspriel@...il.com>
---
 drivers/base/dd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index de6fd09..c9f5408 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -292,8 +292,7 @@ static ssize_t coredump_store(struct device *dev, struct device_attribute *attr,
 			    const char *buf, size_t count)
 {
 	device_lock(dev);
-	if (dev->driver->coredump)
-		dev->driver->coredump(dev);
+	dev->driver->coredump(dev);
 	device_unlock(dev);

 	return count;
--
1.9.1