From: Hannes Reinecke <hare@suse.de>
Date: Fri, 25 May 2018 09:04:03 +0000 (+0200)
Subject: nvme: fix KASAN warning when parsing host nqn
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1e5f44616287b24a2c032274d6a5e3690dfd279b;p=openwrt%2Fstaging%2Fblogic.git

nvme: fix KASAN warning when parsing host nqn

The host nqn actually is smaller than the space reserved for it,
so we should be using strlcpy to keep KASAN happy.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 8cb3d73e957d..aa318136460e 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -57,7 +57,7 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn)
 		goto out_unlock;
 
 	kref_init(&host->ref);
-	memcpy(host->nqn, hostnqn, NVMF_NQN_SIZE);
+	strlcpy(host->nqn, hostnqn, NVMF_NQN_SIZE);
 
 	list_add_tail(&host->list, &nvmf_hosts);
 out_unlock: