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Fix bug resulting in tight-loop when new interfaces arrive.

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This commit is contained in:
Simon Kelley
2013-09-05 11:27:34 +01:00
parent 0c38719fe0
commit 397542b213
1 changed files with 8 additions and 4 deletions
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8
src/network.c
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@@ -443,7 +443,7 @@ static int iface_allowed_v4(struct in_addr local, int if_index, char *label,
int enumerate_interfaces(int reset)
{
static struct addrlist *spare = NULL;
static int done = 0;
static int done = 0, active = 0;
struct iface_param param;
int errsave, ret = 1;
struct addrlist *addr, *tmp;
@@ -458,11 +458,14 @@ int enumerate_interfaces(int reset)
return 1;
}
if (done)
if (done || active)
return 1;
done = 1;
/* protect against recusive calls from iface_enumerate(); */
active = 1;
if ((param.fd = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
return 0;
@@ -504,6 +507,7 @@ int enumerate_interfaces(int reset)
errno = errsave;
spare = param.spare;
active = 0;
return ret;
}