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-rw-r--r--login/login.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/login/login.c b/login/login.c
index ede02d7938..ea1a947676 100644
--- a/login/login.c
+++ b/login/login.c
@@ -86,7 +86,7 @@ login (const struct utmp *ut)
   char *tty = _tty;
   int found_tty;
   const char *ttyp;
-  struct utmp_data data;
+  struct utmp_data data = { -1 };
 
   /* Seek tty.  */
   found_tty = tty_name (STDIN_FILENO, &tty, sizeof (_tty));