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Message-Id: <20180717205712.29495-21-toddpoynor@gmail.com>
Date:   Tue, 17 Jul 2018 13:57:00 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        John Joseph <jnjoseph@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Zhongze Hu <frankhu@...omium.org>, Simon Que <sque@...omium.org>,
        Dmitry Torokhov <dtor@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 20/32] staging: gasket: fix class create bug handling

From: Todd Poynor <toddpoynor@...gle.com>

class_create() never returns NULL, and this driver should never return
PTR_ERR(NULL) anyway.

Reported-by: Dmitry Torokhov <dtor@...omium.org>
Signed-off-by: Zhongze Hu <frankhu@...omium.org>
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
Reviewed-by: Dmitry Torokhov <dtor@...omium.org>
---
 drivers/staging/gasket/gasket_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 0a87bc67eac19..b7f34576d4b3f 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -322,7 +322,7 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
 	internal->class =
 		class_create(driver_desc->module, driver_desc->name);
 
-	if (IS_ERR_OR_NULL(internal->class)) {
+	if (IS_ERR(internal->class)) {
 		gasket_nodev_error("Cannot register %s class [ret=%ld]",
 				   driver_desc->name, PTR_ERR(internal->class));
 		ret = PTR_ERR(internal->class);
-- 
2.18.0.203.gfac676dfb9-goog

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