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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=RKU66AnJzLKhhgSWEHLOfZ4aIkidqzrddEWqP9yNa3s=; b=DlwowCHOstgFTHo1OasqvBBrRA Ln5Lnf/XerBeGqMUcmhKvtfbTCWtF7GYSUu6/OOKkAt4grh0hFRd5deBekspTSIWg8AjRZ2eeZKUD 6NbxnpIf/ny+fShWjWFE6NSx57iAqpvB2STaOYmGxyb8gkLmyIU2giqEJ/wc7Q+0HvyHInp4oNX0U bQN6nQAoBsEQtyjaUCBNU3TPonPPX0fO9u+NSEcfBEKREBZlbiBhi12yjpAEzm6ia6MdWXUqfZHUV P/j52UBMOkCxN2xoIsyxrUw2HuJVLpC29l30Op1PLWCmJ9OOvtEigV+Jc9XvZfDpXkyxXLigTBOU0 B5Qzou+A==; From: Luis Chamberlain To: axboe@kernel.dk, colyli@suse.de, kent.overstreet@gmail.com, kbusch@kernel.org, sagi@grimberg.me, vishal.l.verma@intel.com, dan.j.williams@intel.com, dave.jiang@intel.com, ira.weiny@intel.com, konrad.wilk@oracle.com, roger.pau@citrix.com, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org Cc: xen-devel@lists.xenproject.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH v2 06/10] nvdimm/btt: add error handling support for add_disk() Date: Mon, 27 Sep 2021 15:00:35 -0700 Message-Id: <20210927220039.1064193-7-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210927220039.1064193-1-mcgrof@kernel.org> References: <20210927220039.1064193-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: Luis Chamberlain X-ZohoMail-DKIM: pass (identity @infradead.org) X-ZM-MESSAGEID: 1632780113448100001 Content-Type: text/plain; charset="utf-8" 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 --- drivers/nvdimm/btt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 23ee8c005db5..57b921c5fbb5 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1542,7 +1542,9 @@ static int btt_blk_init(struct btt *btt) } =20 set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9); - device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL); + rc =3D device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL); + if (rc) + goto out_cleanup_disk; =20 btt->nd_btt->size =3D btt->nlba * (u64)btt->sector_size; nvdimm_check_and_set_ro(btt->btt_disk); --=20 2.30.2