* [PATCH] nvme: Pad fake subsys NQN vid and ssvid with zeros
@ 2019-01-08 16:37 Keith Busch
2019-01-09 18:50 ` Christoph Hellwig
0 siblings, 1 reply; 2+ messages in thread
From: Keith Busch @ 2019-01-08 16:37 UTC (permalink / raw)
We need to preserve the leading zeros in the vid and ssvid when generating
a unique NQN. Truncating these may lead to naming collisions.
Signed-off-by: Keith Busch <keith.busch at intel.com>
---
drivers/nvme/host/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 8daa13dd5c63..d8a5a6b377fd 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2186,7 +2186,7 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct
/* Generate a "fake" NQN per Figure 254 in NVMe 1.3 + ECN 001 */
off = snprintf(subsys->subnqn, NVMF_NQN_SIZE,
- "nqn.2014.08.org.nvmexpress:%4x%4x",
+ "nqn.2014.08.org.nvmexpress:%04x%04x",
le16_to_cpu(id->vid), le16_to_cpu(id->ssvid));
memcpy(subsys->subnqn + off, id->sn, sizeof(id->sn));
off += sizeof(id->sn);
--
2.14.4
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2019-01-08 16:37 [PATCH] nvme: Pad fake subsys NQN vid and ssvid with zeros Keith Busch
2019-01-09 18:50 ` Christoph Hellwig
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