1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index f7ba006d6a65..2d7a98ab53fb 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -168,11 +168,21 @@ out:
         nvmet_req_complete(req, status);
 }
 
+static void copy_and_pad(char *dst, int dst_len, const char *src, int src_len)
+{
+        int len = min(src_len, dst_len);
+
+        memcpy(dst, src, len);
+        if (dst_len > len)
+                memset(dst + len, ' ', dst_len - len);
+}
+
 static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
 {
         struct nvmet_ctrl *ctrl = req->sq->ctrl;
         struct nvme_id_ctrl *id;
         u16 status = 0;
+        const char model[] = "Linux";
 
         id = kzalloc(sizeof(*id), GFP_KERNEL);
         if (!id) {
@@ -184,8 +194,10 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
         id->vid = 0;
         id->ssvid = 0;
 
-        memset(id->sn, ' ', sizeof(id->sn));
-        snprintf(id->sn, sizeof(id->sn), "%llx", ctrl->subsys->serial);
+        bin2hex(id->sn, &ctrl->subsys->serial,
+                min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
+        copy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1);
+        copy_and_pad(id->fr, sizeof(id->fr), UTS_RELEASE, strlen(UTS_RELEASE));
 
         memset(id->mn, ' ', sizeof(id->mn));
         strncpy((char *)id->mn, "Linux", sizeof(id->mn));