linux-kernel - [PATCH 09/10] pf: add error handling support for add

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Message-Id: <20210901210028.1750956-10-mcgrof@kernel.org>
Date:   Wed,  1 Sep 2021 14:00:27 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, bhelgaas@...gle.com, liushixin2@...wei.com,
        thunder.leizhen@...wei.com, lee.jones@...aro.org,
        geoff@...radead.org, mpe@...erman.id.au, benh@...nel.crashing.org,
        paulus@...ba.org, jim@...n.com, haris.iqbal@...os.com,
        jinpu.wang@...os.com, josh.h.morris@...ibm.com,
        pjk1939@...ux.ibm.com, tim@...erelk.net, richard@....at,
        miquel.raynal@...tlin.com, vigneshr@...com
Cc:     linux-mtd@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 09/10] pf: add error handling support for add_disk()

We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 drivers/block/paride/pf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index f471d48a87bc..380d80e507c7 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -962,7 +962,9 @@ static int __init pf_init_unit(struct pf_unit *pf, bool autoprobe, int port,
 	if (pf_probe(pf))
 		goto out_pi_release;
 
-	add_disk(disk);
+	ret = add_disk(disk);
+	if (ret)
+		goto out_pi_release;
 	pf->present = 1;
 	return 0;
 
-- 
2.30.2