diff options
Diffstat (limited to 'drivers/tty/tty_ioctl.c')
-rw-r--r-- | drivers/tty/tty_ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 03ba081c5772..6fd60fece6b4 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c | |||
@@ -1201,6 +1201,9 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, | |||
1201 | } | 1201 | } |
1202 | return 0; | 1202 | return 0; |
1203 | case TCFLSH: | 1203 | case TCFLSH: |
1204 | retval = tty_check_change(tty); | ||
1205 | if (retval) | ||
1206 | return retval; | ||
1204 | return __tty_perform_flush(tty, arg); | 1207 | return __tty_perform_flush(tty, arg); |
1205 | default: | 1208 | default: |
1206 | /* Try the mode commands */ | 1209 | /* Try the mode commands */ |