svn commit: r280044 - head/usr.sbin/bhyve
Alexander Motin
mav at FreeBSD.org
Sun Mar 15 17:45:17 UTC 2015
Author: mav
Date: Sun Mar 15 17:45:16 2015
New Revision: 280044
URL: https://svnweb.freebsd.org/changeset/base/280044
Log:
According to Linux and QEMU, s/n equal to buffer is not zero-terminated.
This makes same s/n reported for both virtio and AHCI drivers.
MFC after: 2 weeks
Modified:
head/usr.sbin/bhyve/pci_virtio_block.c
Modified: head/usr.sbin/bhyve/pci_virtio_block.c
==============================================================================
--- head/usr.sbin/bhyve/pci_virtio_block.c Sun Mar 15 17:39:38 2015 (r280043)
+++ head/usr.sbin/bhyve/pci_virtio_block.c Sun Mar 15 17:45:16 2015 (r280044)
@@ -263,7 +263,9 @@ pci_vtblk_proc(struct pci_vtblk_softc *s
break;
case VBH_OP_IDENT:
/* Assume a single buffer */
- strlcpy(iov[1].iov_base, sc->vbsc_ident,
+ /* S/n equal to buffer is not zero-terminated. */
+ memset(iov[1].iov_base, 0, iov[1].iov_len);
+ strncpy(iov[1].iov_base, sc->vbsc_ident,
MIN(iov[1].iov_len, sizeof(sc->vbsc_ident)));
pci_vtblk_done(&io->io_req, 0);
return;
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