From: Patrick McHardy <kaber@trash.net>
Date: Wed, 2 Apr 2008 12:01:53 +0000 (+0200)
Subject: Retry ruleset dump when kernel returns EAGAIN.
X-Git-Tag: v1.4.1-rc1~41
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2f93205b375ee9f5a383f8041749a9b989012dd0;p=thirdparty%2Fiptables.git

Retry ruleset dump when kernel returns EAGAIN.

Bugzilla #104
---

diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c
index b7bf785c..277ca0f2 100644
--- a/libiptc/libiptc.c
+++ b/libiptc/libiptc.c
@@ -1226,7 +1226,7 @@ TC_INIT(const char *tablename)
 			return NULL;
 	}
 	sockfd_use++;
-
+retry:
 	s = sizeof(info);
 
 	strcpy(info.name, tablename);
@@ -1279,6 +1279,9 @@ TC_INIT(const char *tablename)
 	return h;
 error:
 	TC_FREE(&h);
+	/* A different process changed the ruleset size, retry */
+	if (errno == EAGAIN)
+		goto retry;
 	return NULL;
 }