summaryrefslogtreecommitdiffstats
path: root/sys/dev/nvd
diff options
context:
space:
mode:
authorjimharris <jimharris@FreeBSD.org>2013-07-17 23:23:38 +0000
committerjimharris <jimharris@FreeBSD.org>2013-07-17 23:23:38 +0000
commit8281445679a1a40c3039155ced18766cc7635428 (patch)
tree127037d85ff2ed1959c788208e14e5ece1cd7fbb /sys/dev/nvd
parent6ded7d8bc2691570cfdd7fc32187f20214d14279 (diff)
downloadFreeBSD-src-8281445679a1a40c3039155ced18766cc7635428.zip
FreeBSD-src-8281445679a1a40c3039155ced18766cc7635428.tar.gz
Define constants for the lengths of the serial number, model number
and firmware revision in the controller's identify structure. Also modify consumers of these fields to ensure they only use the specified number of bytes for their respective fields. Sponsored by: Intel Reviewed by: carl MFC after: 3 days
Diffstat (limited to 'sys/dev/nvd')
-rw-r--r--sys/dev/nvd/nvd.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/nvd/nvd.c b/sys/dev/nvd/nvd.c
index 1d2d891..868a238 100644
--- a/sys/dev/nvd/nvd.c
+++ b/sys/dev/nvd/nvd.c
@@ -306,12 +306,16 @@ nvd_new_disk(struct nvme_namespace *ns, void *ctrlr_arg)
disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
#endif
+ /*
+ * d_ident and d_descr are both far bigger than the length of either
+ * the serial or model number strings.
+ */
strlcpy(disk->d_ident, nvme_ns_get_serial_number(ns),
- sizeof(disk->d_ident));
+ min(sizeof(disk->d_ident), NVME_SERIAL_NUMBER_LENGTH));
#if __FreeBSD_version >= 900034
strlcpy(disk->d_descr, nvme_ns_get_model_number(ns),
- sizeof(disk->d_descr));
+ min(sizeof(disk->d_descr), NVME_MODEL_NUMBER_LENGTH));
#endif
disk_create(disk, DISK_VERSION);
OpenPOWER on IntegriCloud