[PATCH 4/4] build: Add cast to avoid unused result clang warning

[Jukka Rissanen]

---
 src/iptables.c        |  4 ++--
 src/stats.c           | 10 +++++-----
 tools/iptables-test.c |  4 ++--
 tools/stats-tool.c    |  4 ++--
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/iptables.c b/src/iptables.c
index 43a2782..1ca8758 100644
--- a/src/iptables.c
+++ b/src/iptables.c
@@ -1161,7 +1161,7 @@ static void iptables_dump(struct connman_iptables *table)
                        table->info->valid_hooks, table->info->num_entries,
                                table->info->size);
 
-       ENTRY_ITERATE(table->blob_entries->entrytable,
+       (void)ENTRY_ITERATE(table->blob_entries->entrytable,
                        table->blob_entries->size,
                        dump_entry, table);
 
@@ -1290,7 +1290,7 @@ static struct connman_iptables *iptables_init(char 
*table_name)
        memcpy(table->hook_entry, table->info->hook_entry,
                                sizeof(table->info->hook_entry));
 
-       ENTRY_ITERATE(table->blob_entries->entrytable,
+       (void)ENTRY_ITERATE(table->blob_entries->entrytable,
                        table->blob_entries->size,
                                add_entry, table);
 
diff --git a/src/stats.c b/src/stats.c
index dde5fca..a491260 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -227,7 +227,7 @@ static void stats_free(gpointer user_data)
        munmap(file->addr, file->len);
        file->addr = NULL;
 
-       TFR(close(file->fd));
+       (void)TFR(close(file->fd));
        file->fd = -1;
 
        if (file->history_name != NULL) {
@@ -377,7 +377,7 @@ static int stats_file_setup(struct stats_file *file)
                connman_error("fstat error %s for %s\n",
                        strerror(errno), file->name);
 
-               TFR(close(file->fd));
+               (void)TFR(close(file->fd));
                g_free(file->name);
                file->name = NULL;
 
@@ -392,7 +392,7 @@ static int stats_file_setup(struct stats_file *file)
 
        err = stats_file_remap(file, size);
        if (err < 0) {
-               TFR(close(file->fd));
+               (void)TFR(close(file->fd));
                g_free(file->name);
                file->name = NULL;
 
@@ -621,7 +621,7 @@ static int stats_file_close_swap(struct stats_file 
*history_file,
        stats_file_unmap(history_file);
        stats_file_unmap(temp_file);
 
-       TFR(close(temp_file->fd));
+       (void)TFR(close(temp_file->fd));
 
        unlink(history_file->name);
 
@@ -629,7 +629,7 @@ static int stats_file_close_swap(struct stats_file 
*history_file,
 
        unlink(temp_file->name);
 
-       TFR(close(history_file->fd));
+       (void)TFR(close(history_file->fd));
 
        stats_file_cleanup(history_file);
        stats_file_cleanup(temp_file);
diff --git a/tools/iptables-test.c b/tools/iptables-test.c
index 2985788..9d74d45 100644
--- a/tools/iptables-test.c
+++ b/tools/iptables-test.c
@@ -1151,7 +1151,7 @@ static void connman_iptables_dump(struct connman_iptables 
*table)
 
        connman_iptables_dump_hook(table);
 
-       ENTRY_ITERATE(table->blob_entries->entrytable,
+       (void)ENTRY_ITERATE(table->blob_entries->entrytable,
                        table->blob_entries->size,
                        connman_iptables_dump_entry, table);
 
@@ -1279,7 +1279,7 @@ static struct connman_iptables 
*connman_iptables_init(const char *table_name)
        memcpy(table->hook_entry, table->info->hook_entry,
                                sizeof(table->info->hook_entry));
 
-       ENTRY_ITERATE(table->blob_entries->entrytable,
+       (void)ENTRY_ITERATE(table->blob_entries->entrytable,
                        table->blob_entries->size,
                                add_entry, table);
 
diff --git a/tools/stats-tool.c b/tools/stats-tool.c
index 13e9e98..9a8dd78 100644
--- a/tools/stats-tool.c
+++ b/tools/stats-tool.c
@@ -791,7 +791,7 @@ static void swap_and_close_files(struct stats_file 
*history_file,
        munmap(history_file->addr, history_file->len);
        munmap(temp_file->addr, temp_file->len);
 
-       TFR(close(temp_file->fd));
+       (void)TFR(close(temp_file->fd));
 
        unlink(history_file->name);
 
@@ -799,7 +799,7 @@ static void swap_and_close_files(struct stats_file 
*history_file,
                return;
 
        unlink(temp_file->name);
-       TFR(close(history_file->fd));
+       (void)TFR(close(history_file->fd));
 }
 
 static void history_file_update(struct stats_file *data_file,
-- 
1.7.11.4

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