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-rw-r--r--src/misc/pty.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/misc/pty.c b/src/misc/pty.c
index 9e201ef3..b395d2c0 100644
--- a/src/misc/pty.c
+++ b/src/misc/pty.c
@@ -26,7 +26,7 @@ int __ptsname_r(int fd, char *buf, size_t len)
{
int pty, err;
if (!buf) len = 0;
- if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return err;
+ if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return -err;
if (snprintf(buf, len, "/dev/pts/%d", pty) >= len) return ERANGE;
return 0;
}