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authorDavid S. Miller <davem@davemloft.net>2017-08-01 19:07:50 +0200
committerDavid S. Miller <davem@davemloft.net>2017-08-01 19:07:50 +0200
commit29fda25a2d31098044f8dfa177c4d2834071828e (patch)
tree9e4be11c49a4405c19ece8f81fbb1db478da1055 /drivers/nvme/target/admin-cmd.c
parentMerge branch 'revert-ipv6-const' (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
downloadlinux-29fda25a2d31098044f8dfa177c4d2834071828e.tar.xz
linux-29fda25a2d31098044f8dfa177c4d2834071828e.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two minor conflicts in virtio_net driver (bug fix overlapping addition of a helper) and MAINTAINERS (new driver edit overlapping revamp of PHY entry). Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/nvme/target/admin-cmd.c')
-rw-r--r--drivers/nvme/target/admin-cmd.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 35f930db3c02..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->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));