linux-kernel - [PATCH] PNP: pnpbios: Use PTR_ERR_OR

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Date:   Wed, 29 Nov 2017 17:20:57 +0100
From:   Vasyl Gomonovych <gomonovych@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Vasyl Gomonovych <gomonovych@...il.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Jean Delvare <jdelvare@...e.de>, linux-kernel@...r.kernel.org
Subject: [PATCH] PNP: pnpbios: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
drivers/pnp/pnpbios/core.c:584:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@...il.com>
---
 drivers/pnp/pnpbios/core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index e681140b85d8..077f334fdbae 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -581,10 +581,7 @@ static int __init pnpbios_thread_init(void)
 
 	init_completion(&unload_sem);
 	task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd");
-	if (IS_ERR(task))
-		return PTR_ERR(task);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(task);
 }
 
 /* Start the kernel thread later: */
-- 
1.9.1