email plugin: fix lint warnings

set but not used in function
    (468) err in open_connection
    (574) err in email_init

diff --git a/src/email.c b/src/email.c
index 8a1ac2e8491cff6fd9a0917c1983861bc6a67b1d..db6dd414bc824edffb89602fcca683f1788d4710 100644 (file)
--- a/src/email.c
+++ b/src/email.c
@@ -465,7 +465,6 @@ static void *open_connection (void __attribute__((unused)) *arg)
 
        { /* initialize collector threads */
                int i   = 0;
-               int err = 0;
 
                pthread_attr_t ptattr;
 
@@ -484,10 +483,10 @@ static void *open_connection (void __attribute__((unused)) *arg)
                        collectors[i] = smalloc (sizeof (*collectors[i]));
                        collectors[i]->socket = NULL;
 
-                       if (0 != (err = plugin_thread_create (&collectors[i]->thread,
-                                                       &ptattr, collect, collectors[i]))) {
+                       if (plugin_thread_create (&collectors[i]->thread,
+                                                       &ptattr, collect, collectors[i]) != 0) {
                                char errbuf[1024];
-                               log_err ("pthread_create() failed: %s",
+                               log_err ("plugin_thread_create() failed: %s",
                                                sstrerror (errno, errbuf, sizeof (errbuf)));
                                collectors[i]->thread = (pthread_t) 0;
                        }
@@ -571,13 +570,11 @@ static void *open_connection (void __attribute__((unused)) *arg)
 
 static int email_init (void)
 {
-       int err = 0;
-
-       if (0 != (err = plugin_thread_create (&connector, NULL,
-                               open_connection, NULL))) {
+       if (plugin_thread_create (&connector, NULL,
+                               open_connection, NULL) != 0) {
                char errbuf[1024];
                disabled = 1;
-               log_err ("pthread_create() failed: %s",
+               log_err ("plugin_thread_create() failed: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
                return (-1);
        }