linux-kernel - [PATCH v1] driver core: platform: Propagate error from insert

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Date:   Tue,  2 Apr 2019 18:59:14 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1] driver core: platform: Propagate error from insert_resource()

Since insert_resource() might return an error we don't need
to shadow its error code and would safely propagate to the user.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/base/platform.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index dab0a5abc391..f93f192891d1 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -438,9 +438,8 @@ int platform_device_add(struct platform_device *pdev)
 				p = &ioport_resource;
 		}
 
-		if (p && insert_resource(p, r)) {
+		if (p && (ret = insert_resource(p, r))) {
 			dev_err(&pdev->dev, "failed to claim resource %d: %pR\n", i, r);
-			ret = -EBUSY;
 			goto failed;
 		}
 	}
-- 
2.20.1