devpts: propagate error code from devpts_pty_new

Have ptmx_open() propagate any error code returned by devpts_pty_new()
(which returns either 0 or -ENOMEM anyway).

Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index ddfa529936e8..edcb7e471f02 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2838,8 +2838,8 @@ static int ptmx_open(struct inode *inode, struct file *filp)
         filp->private_data = tty;
         file_move(filp, &tty->tty_files);
 
-        retval = -ENOMEM;
-        if (devpts_pty_new(tty->link))
+        retval = devpts_pty_new(tty->link);
+        if (retval)
                 goto out1;
 
         check_tty_count(tty, "ptmx_open");