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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 cf8632d..075ef15 100644
--- a/login/login.c
+++ b/login/login.c
@@ -43,7 +43,7 @@ tty_name (int fd, char **tty, size_t buf_len)
{
rv = ttyname_r (fd, buf, buf_len);
- if (rv < 0 || memchr (buf, '\0', buf_len))
+ if (rv != 0 || memchr (buf, '\0', buf_len))
/* We either got an error, or we succeeded and the
returned name fit in the buffer. */
break;