svn commit: r273733 - head/sys/netinet/cc
Hans Petter Selasky
hselasky at FreeBSD.org
Mon Oct 27 11:21:48 UTC 2014
Author: hselasky
Date: Mon Oct 27 11:21:47 2014
New Revision: 273733
URL: https://svnweb.freebsd.org/changeset/base/273733
Log:
Make assignments to "net.inet.tcp.cc.algorithm" work by fixing a bad
string comparison.
MFC after: 3 days
Reported by: Jukka Ukkonen <jau789 at gmail.com>
Sponsored by: Mellanox Technologies
Modified:
head/sys/netinet/cc/cc.c
Modified: head/sys/netinet/cc/cc.c
==============================================================================
--- head/sys/netinet/cc/cc.c Mon Oct 27 10:34:09 2014 (r273732)
+++ head/sys/netinet/cc/cc.c Mon Oct 27 11:21:47 2014 (r273733)
@@ -106,11 +106,13 @@ cc_default_algo(SYSCTL_HANDLER_ARGS)
/* Find algo with specified name and set it to default. */
CC_LIST_RLOCK();
STAILQ_FOREACH(funcs, &cc_list, entries) {
- if (strncmp((char *)req->newptr, funcs->name,
- TCP_CA_NAME_MAX) == 0) {
- found = 1;
- V_default_cc_ptr = funcs;
- }
+ /* NOTE: "newptr" is not zero terminated */
+ if (req->newlen != strlen(funcs->name))
+ continue;
+ if (bcmp(req->newptr, funcs->name, req->newlen))
+ continue;
+ found = 1;
+ V_default_cc_ptr = funcs;
}
CC_LIST_RUNLOCK();
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