From: pixdamix <pixdamix@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Tue, 17 Nov 2009 11:17:42 +0000 (+0000)
Subject: Avoid some warn_unused_result warning
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=98acf192dfcde709aeee5eb8cbaea806e84a6d42;p=oweals%2Fopkg-lede.git

Avoid some warn_unused_result warning

lockf maybe defined with warn_unused_result. Check the return
value to disable the warning (And add an error message by the way)

git-svn-id: http://opkg.googlecode.com/svn/trunk@330 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---

diff --git a/libopkg/opkg_conf.c b/libopkg/opkg_conf.c
index cade51a..c69c3d1 100644
--- a/libopkg/opkg_conf.c
+++ b/libopkg/opkg_conf.c
@@ -415,7 +415,12 @@ void opkg_conf_deinit(opkg_conf_t *conf)
      if (&conf->obs_file_hash)
 	            hash_table_deinit(&conf->obs_file_hash);
 
-     lockf(conf->lock_fd, F_ULOCK, 0);
+     /* lockf maybe defined with warn_unused_result */
+     if(lockf(conf->lock_fd, F_ULOCK, 0) != 0){
+              opkg_message(conf, OPKG_DEBUG, "%s: unlock failed: %s\n",
+                              __FUNCTION__, 
+                              strerror(errno));
+     }
      close(conf->lock_fd);
 }