autofs-5.0.8 - fix cache readlock not taken on lookup
From: Ian Kent <raven@themaw.net>
In modules/lookup_yp.c:check_map_indirect() there's a missing cache
readlock.
---
CHANGELOG | 1 +
modules/lookup_yp.c | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/CHANGELOG b/CHANGELOG
index 6b92fe5..32e398f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -21,6 +21,7 @@
- check for existing offset mount before mounting.
- fix max() declaration.
- fix symlink fail message in mount_bind.c.
+- fix cache readlock not taken on lookup.
17/10/2013 autofs-5.0.8
=======================
diff --git a/modules/lookup_yp.c b/modules/lookup_yp.c
index 4d1848e..849ae44 100644
--- a/modules/lookup_yp.c
+++ b/modules/lookup_yp.c
@@ -517,9 +517,13 @@ static int check_map_indirect(struct autofs_point *ap,
* If the server is down and the entry exists in the cache
* and belongs to this map return success and use the entry.
*/
+ cache_readlock(mc);
exists = cache_lookup(mc, key);
- if (exists && exists->source == source)
+ if (exists && exists->source == source) {
+ cache_unlock(mc);
return NSS_STATUS_SUCCESS;
+ }
+ cache_unlock(mc);
warn(ap->logopt,
MODPREFIX "lookup for %s failed: %s",