From: Wenwei Tao <ww.tao0320@gmail.com>
To: mb@lightnvm.io
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: [PATCH] lightnvm: free allocated memory when gennvm register fails
Date: Mon, 23 Nov 2015 16:29:35 +0800 [thread overview]
Message-ID: <1448267375-19009-1-git-send-email-ww.tao0320@gmail.com> (raw)
free allocated nvm block and gennvm lun structures when
gennvm register fails, otherwise it will cause memory leak.
Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
---
drivers/lightnvm/gennvm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index ae1fb2b..03fc7a5 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -211,12 +211,15 @@ static int gennvm_register(struct nvm_dev *dev)
ret = gennvm_blocks_init(dev, gn);
if (ret) {
pr_err("gennvm: could not initialize blocks\n");
+ gennvm_blocks_free(dev);
+ gennvm_luns_free(dev);
goto err;
}
return 1;
err:
kfree(gn);
+ dev->mp = NULL;
return ret;
}
--
1.8.3.1
next reply other threads:[~2015-11-23 8:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-23 8:29 Wenwei Tao [this message]
2015-11-23 8:47 ` Matias Bjørling
2015-11-23 9:00 ` Wenwei Tao
2015-11-23 9:01 ` Matias Bjørling
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