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From:   Todd Poynor <toddpoynor@gmail.com>
To:     Rob Springer <rspringer@google.com>,
        John Joseph <jnjoseph@google.com>,
        Ben Chan <benchan@chromium.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Zhongze Hu <frankhu@chromium.org>, Simon Que <sque@chromium.org>,
        Dmitry Torokhov <dtor@chromium.org>,
        Guenter Roeck <groeck@chromium.org>,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
        Todd Poynor <toddpoynor@google.com>
Subject: [PATCH 14/18] staging: gasket: fix class create bug handling
Date:   Fri, 13 Jul 2018 22:58:12 -0700
Message-Id: <20180714055816.223754-15-toddpoynor@gmail.com>
In-Reply-To: <20180714055816.223754-1-toddpoynor@gmail.com>
References: <20180714055816.223754-1-toddpoynor@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Todd Poynor <toddpoynor@google.com>

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

Reported-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
---
 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 f7d8f66e8746..0ef37667e0f1 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -341,7 +341,7 @@ 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