jimzah/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2024-12-04 14:39:37 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

dhclient: Fix a logic bug remove_protocol().

Browse Source 
A logic bug in remove_protocol() meant that it would remove (leak) all
structures in the list preceding the one intended for removal.

PR:		245971
Submitted by:	joost@jodocus.org (original version)
MFC after:	1 week
This commit is contained in:
Mark Johnston 2020-06-04 16:24:13 +00:00
parent e9ee2675cb
commit 0006082054
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=361793
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sbin/dhclient/dispatch.c
View File

@ -474,13 +474,16 @@ add_protocol(const char *name, int fd, void (*handler)(struct protocol *),
void
remove_protocol(struct protocol *proto)
{
struct protocol *p, *next;
struct protocol *p, *prev;
for (p = protocols; p; p = next) {
next = p->next;
for (p = protocols, prev = NULL; p != NULL; prev = p, p = p->next) {
if (p == proto) {
if (prev == NULL)
protocols = p->next;
else
prev->next = p->next;
free(p);
break;
}
}
}