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staging: dgnc: remove variable rc 

Found using coccinelle script:
@@
local idexpression ret;
expression e;
@@

-ret =
+return
     e;
-return ret;

Signed-off-by: Aastha Gupta <aastha.gupta4104@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aastha Gupta 2017-09-16 19:29:33 +05:30 committed by Greg Kroah-Hartman
parent 64ffaf29a9
commit f59c054301
1 changed files with 4 additions and 7 deletions
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11
drivers/staging/dgnc/dgnc_neo.c
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@ -1182,7 +1182,6 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
unsigned long flags;
struct channel_t *ch;
struct un_t *un;
int rc = 0;
if (!tty)
return -ENXIO;
@ -1199,12 +1198,10 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
un->un_flags |= UN_EMPTY;
spin_unlock_irqrestore(&ch->ch_lock, flags);
rc = wait_event_interruptible_timeout(un->un_flags_wait,
((un->un_flags & UN_EMPTY) == 0),
msecs_to_jiffies(seconds * 1000));
/* If ret is non-zero, user ctrl-c'ed us */
return rc;
/* If returned value is non-zero, user ctrl-c'ed us */
return wait_event_interruptible_timeout(un->un_flags_wait,
((un->un_flags & UN_EMPTY) == 0),
msecs_to_jiffies(seconds * 1000));
}
/*