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-rw-r--r--sysdeps/unix/sysv/linux/getlogin_r.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/getlogin_r.c b/sysdeps/unix/sysv/linux/getlogin_r.c
index 7d4d6c0ed5..42041eeee0 100644
--- a/sysdeps/unix/sysv/linux/getlogin_r.c
+++ b/sysdeps/unix/sysv/linux/getlogin_r.c
@@ -81,7 +81,7 @@ __getlogin_r_loginuid (name, namesize)
 	use_malloc = true;
       }
 
-  if (res != 0)
+  if (res != 0 || tpwd == NULL)
     {
       result = -1;
       goto out;