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staging: dgnc: preserve return code

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Return code from tty_check_change() should be being
preserved.

Preserve return code from call to tty_check_change().

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tobin C. Harding
2017-03-16 11:45:42 +09:00
committed by Greg Kroah-Hartman
parent 9280b3a61c
commit f15e60ce4e
1 changed files with 3 additions and 3 deletions
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drivers/staging/dgnc/dgnc_tty.c
+3 -3
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@@ -2394,7 +2394,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
rc = tty_check_change(tty);
spin_unlock_irqrestore(&ch->ch_lock, flags);
if (rc)
return -ENODEV;
return rc;
rc = ch_bd_ops->drain(tty, 0);
if (rc)
@@ -2419,7 +2419,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
rc = tty_check_change(tty);
spin_unlock_irqrestore(&ch->ch_lock, flags);
if (rc)
return -ENODEV;
return rc;
rc = ch_bd_ops->drain(tty, 0);
if (rc)
@@ -2437,7 +2437,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
rc = tty_check_change(tty);
spin_unlock_irqrestore(&ch->ch_lock, flags);
if (rc)
return -ENODEV;
return rc;
rc = ch_bd_ops->drain(tty, 0);
if (rc)