staging: dgap: remove redundant error value check

The retval in dgap_block_til_ready() is initialized to zero,
and if no error has occurred in this function, the retval has a zero.
So it doesn't need to check "retval" itself.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daeseok Youn 2014-07-15 18:47:11 +09:00 committed by Greg Kroah-Hartman
parent e86bd61ee6
commit dfa30ac139
1 changed files with 1 additions and 4 deletions

View File

@ -2181,10 +2181,7 @@ static int dgap_block_til_ready(struct tty_struct *tty, struct file *file,
spin_unlock_irqrestore(&ch->ch_lock, lock_flags); spin_unlock_irqrestore(&ch->ch_lock, lock_flags);
if (retval)
return retval; return retval;
return 0;
} }
/* /*