svn commit: r279657 - head/usr.sbin/bhyve

[Alexander Motin]

Author: mav
Date: Thu Mar  5 13:52:30 2015
New Revision: 279657
URL: https://svnweb.freebsd.org/changeset/base/279657

Log:
  Add check for absent stripe size to r279652.
  
  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	Thu Mar  5 12:40:59 2015	(r279656)
+++ head/usr.sbin/bhyve/pci_virtio_block.c	Thu Mar  5 13:52:30 2015	(r279657)
@@ -311,7 +311,7 @@ pci_vtblk_init(struct vmctx *ctx, struct
 		}
 		assert(size != 0);
 		assert(sectsz != 0);
-		if (ioctl(fd, DIOCGSTRIPESIZE, &sts) == 0)
+		if (ioctl(fd, DIOCGSTRIPESIZE, &sts) == 0 && sts > 0)
 			ioctl(fd, DIOCGSTRIPEOFFSET, &sto);
 	} else
 		sts = sbuf.st_blksize;