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path: root/drivers/char/n_tty.c
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Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r--drivers/char/n_tty.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index e96a00fe1389..2bdb0144a22e 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1151,7 +1151,6 @@ static int copy_from_read_buf(struct tty_struct *tty,
1151 n = min(*nr, n); 1151 n = min(*nr, n);
1152 spin_unlock_irqrestore(&tty->read_lock, flags); 1152 spin_unlock_irqrestore(&tty->read_lock, flags);
1153 if (n) { 1153 if (n) {
1154 mb();
1155 retval = copy_to_user(*b, &tty->read_buf[tty->read_tail], n); 1154 retval = copy_to_user(*b, &tty->read_buf[tty->read_tail], n);
1156 n -= retval; 1155 n -= retval;
1157 spin_lock_irqsave(&tty->read_lock, flags); 1156 spin_lock_irqsave(&tty->read_lock, flags);