svn commit: r299676 - head/usr.sbin/bhyve

[Pedro F. Giffuni]

Author: pfg
Date: Fri May 13 14:59:02 2016
New Revision: 299676
URL: https://svnweb.freebsd.org/changeset/base/299676

Log:
  bhyve: consider the bogus case of a negative bar idx.
  
  This is a followup to r297472 to squelch Coverity.
  
  CID:	1194319

Modified:
  head/usr.sbin/bhyve/pci_emul.c

Modified: head/usr.sbin/bhyve/pci_emul.c
==============================================================================
--- head/usr.sbin/bhyve/pci_emul.c	Fri May 13 14:38:04 2016	(r299675)
+++ head/usr.sbin/bhyve/pci_emul.c	Fri May 13 14:59:02 2016	(r299676)
@@ -2034,7 +2034,7 @@ pci_emul_diow(struct vmctx *ctx, int vcp
 		 */
 	}
 
-	if (baridx > 2) {
+	if (baridx > 2 || baridx < 0) {
 		printf("diow: unknown bar idx %d\n", baridx);
 	}
 }
@@ -2089,7 +2089,7 @@ pci_emul_dior(struct vmctx *ctx, int vcp
 	}
 
 
-	if (baridx > 2) {
+	if (baridx > 2 || baridx < 0) {
 		printf("dior: unknown bar idx %d\n", baridx);
 		return (0);
 	}