linux-kernel - [PATCH v1 2/2] ipack: Handle a driver without remove callback

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Date:   Sun,  7 Feb 2021 22:55:56 +0100
From:   Uwe Kleine-König <uwe@...ine-koenig.org>
To:     Samuel Iglesias Gonsalvez <siglesias@...lia.com>,
        Jens Taprogge <jens.taprogge@...rogge.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     industrypack-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] ipack: Handle a driver without remove callback

A driver that only consumes devm-managed resources might well have no
remove callback. Additionally given that the device core ignores the return
value of ipack_bus_remove() stop returning an error code.

Signed-off-by: Uwe Kleine-König <uwe@...ine-koenig.org>
---
 drivers/ipack/ipack.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
index eabc4d08792a..7de9605cac4f 100644
--- a/drivers/ipack/ipack.c
+++ b/drivers/ipack/ipack.c
@@ -72,10 +72,9 @@ static int ipack_bus_remove(struct device *device)
 	struct ipack_device *dev = to_ipack_dev(device);
 	struct ipack_driver *drv = to_ipack_driver(device->driver);
 
-	if (!drv->ops->remove)
-		return -EINVAL;
+	if (drv->ops->remove)
+		drv->ops->remove(dev);
 
-	drv->ops->remove(dev);
 	return 0;
 }
 
-- 
2.29.2