diff --git a/ChangeLog b/ChangeLog
index 461fd80a..764cc2cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-22  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* libmisc/pwdcheck.c (passwd_check): The progname is not used.
+	* libmisc/pwdcheck.c: Ignore the return value of sleep().
+	* libmisc/pwdcheck.c: Use exit(EXIT_FAILURE) instead of exit(1).
+
 2009-04-22  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* libmisc/setupenv.c: Avoid assignments in comparisons.
@@ -5,7 +11,7 @@
 	* libmisc/setupenv.c: Ignore the return value of fclose (file
 	opened read-only)
 	* libmisc/setupenv.c: Ignore the return value of puts().
-	* libmisc/setupenv.c:Avoid implicit conversion of pointers to
+	* libmisc/setupenv.c: Avoid implicit conversion of pointers to
 	booleans.
 
 2009-04-22  Nicolas François  <nicolas.francois@centraliens.net>
diff --git a/libmisc/pwdcheck.c b/libmisc/pwdcheck.c
index 71c08f36..ec1f4744 100644
--- a/libmisc/pwdcheck.c
+++ b/libmisc/pwdcheck.c
@@ -40,7 +40,7 @@
 #include "defines.h"
 #include "pwauth.h"
 
-void passwd_check (const char *user, const char *passwd, const char *progname)
+void passwd_check (const char *user, const char *passwd, unused const char *progname)
 {
 	struct spwd *sp;
 
@@ -50,9 +50,9 @@ void passwd_check (const char *user, const char *passwd, const char *progname)
 	}
 	if (pw_auth (passwd, user, PW_LOGIN, (char *) 0) != 0) {
 		SYSLOG ((LOG_WARN, "incorrect password for `%s'", user));
-		sleep (1);
+		(void) sleep (1);
 		fprintf (stderr, _("Incorrect password for %s.\n"), user);
-		exit (1);
+		exit (EXIT_FAILURE);
 	}
 }
 #else			/* USE_PAM */