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author | David S. Miller <davem@davemloft.net> | 2017-08-01 19:07:50 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2017-08-01 19:07:50 +0200 |
commit | 29fda25a2d31098044f8dfa177c4d2834071828e (patch) | |
tree | 9e4be11c49a4405c19ece8f81fbb1db478da1055 /drivers/nvme/target/admin-cmd.c | |
parent | Merge branch 'revert-ipv6-const' (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
download | linux-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.c | 16 |
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)); |