linux-kernel - [PATCH] parport: use release_mem_region instead of release

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Message-Id: <1502377238-12626-1-git-send-email-vasilyev@ispras.ru>
Date:   Thu, 10 Aug 2017 18:00:38 +0300
From:   Anton Vasilyev <vasilyev@...ras.ru>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     Anton Vasilyev <vasilyev@...ras.ru>, linux-kernel@...r.kernel.org,
        ldv-project@...uxtesting.org
Subject: [PATCH] parport: use release_mem_region instead of release_resource

Use api pair of request_mem_region and release_mem_region
instead of release_resource.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Anton Vasilyev <vasilyev@...ras.ru>
---
 drivers/parport/parport_ax88796.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/parport/parport_ax88796.c b/drivers/parport/parport_ax88796.c
index 8f8c9f3..2fc91ed 100644
--- a/drivers/parport/parport_ax88796.c
+++ b/drivers/parport/parport_ax88796.c
@@ -358,8 +358,7 @@ static int parport_ax88796_probe(struct platform_device *pdev)
  exit_unmap:
 	iounmap(dd->base);
  exit_res:
-	release_resource(dd->io);
-	kfree(dd->io);
+	release_mem_region(dd->io->start, size);
  exit_mem:
 	kfree(dd);
 	return ret;
@@ -373,8 +372,7 @@ static int parport_ax88796_remove(struct platform_device *pdev)
 	free_irq(p->irq, p);
 	parport_remove_port(p);
 	iounmap(dd->base);
-	release_resource(dd->io);
-	kfree(dd->io);
+	release_mem_region(dd->io->start, resource_size(dd->io));
 	kfree(dd);
 
 	return 0;
-- 
2.7.4