linux-kernel - [PATCH] firmware: stratix10-svc: Fix an NULL vs IS

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Message-ID: <5f9a8cb4-5a4f-460b-9cdc-2fae6c5b7922@kili.mountain>
Date:   Wed, 19 Apr 2023 17:27:03 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     Richard Gong <richard.gong@...el.com>
Cc:     Dinh Nguyen <dinguyen@...nel.org>, Alan Tull <atull@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Richard Gong <richard.gong@...el.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] firmware: stratix10-svc: Fix an NULL vs IS_ERR() bug in probe

The svc_create_memory_pool() function returns error pointers.  It never
returns NULL.  Fix the check.

Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
 drivers/firmware/stratix10-svc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c
index bde1f543f529..80f4e2d14e04 100644
--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -1133,8 +1133,8 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev)
 		return ret;
 
 	genpool = svc_create_memory_pool(pdev, sh_memory);
-	if (!genpool)
-		return -ENOMEM;
+	if (IS_ERR(genpool))
+		return PTR_ERR(genpool);
 
 	/* allocate service controller and supporting channel */
 	controller = devm_kzalloc(dev, sizeof(*controller), GFP_KERNEL);
-- 
2.39.2