Author: hrs
Date: Sat Feb 4 17:53:22 2012
New Revision: 230989
URL: http://svn.freebsd.org/changeset/base/230989
Log:
Fix a possible infinite loop in "route flush" on 64-bit archs.
MFC after: 3 days
Modified:
head/sbin/route/route.c
Modified: head/sbin/route/route.c
==============================================================================
--- head/sbin/route/route.c Sat Feb 4 17:43:15 2012 (r230988)
+++ head/sbin/route/route.c Sat Feb 4 17:53:22 2012 (r230989)
@@ -460,8 +460,8 @@ netname(struct sockaddr *sa)
* Guess at the subnet mask, assuming reasonable
* width subnet fields.
*/
- while (in.s_addr &~ mask)
- mask = (long)mask >> subnetshift;
+ while (in.s_addr & ~mask)
+ mask |= mask >> subnetshift;
net = in.s_addr & mask;
while ((mask & 1) == 0)
mask >>= 1, net >>= 1;
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