linux-kernel - [PATCH 2/5] lightnvm: missing free on init error

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Date:	Fri, 20 Nov 2015 13:47:54 +0100
From:	Matias Bjørling <m@...rling.me>
To:	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	axboe@...com
Cc:	Matias Bjørling <m@...rling.me>
Subject: [PATCH 2/5] lightnvm: missing free on init error

If either max_phys_sect is out of bound, the nvm_dev structure is not
freed.

Signed-off-by: Matias Bjørling <m@...rling.me>
---
 drivers/lightnvm/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index bed47e7..f61d325 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -313,11 +313,13 @@ int nvm_register(struct request_queue *q, char *disk_name,
 								"ppalist");
 		if (!dev->ppalist_pool) {
 			pr_err("nvm: could not create ppa pool\n");
-			return -ENOMEM;
+			ret = -ENOMEM;
+			goto err_init;
 		}
 	} else if (dev->ops->max_phys_sect > 256) {
 		pr_info("nvm: max sectors supported is 256.\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_init;
 	}
 
 	down_write(&nvm_lock);
-- 
2.1.4

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