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Staging: dgnc: release the lock before testing for nullity 

The refactoring intrduced in
c84a083b99 ("Staging: dgnc: Use goto for spinlock release before return")
inverts the order in which the lock is released and ld is tested for nullity.

This patch restores the execution flow.

Fixes: c84a083b99 ("Staging: dgnc: Use goto for spinlock release before return")
Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Quentin Lambert 2015-03-18 14:21:08 +01:00 committed by Greg Kroah-Hartman
parent 8ac7f9b37e
commit 5ec2936508
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/dgnc/dgnc_tty.c
View File

@ -656,9 +656,9 @@ void dgnc_input(struct channel_t *ch)
return;
exit_unlock:
spin_unlock_irqrestore(&ch->ch_lock, flags);
if (ld)
tty_ldisc_deref(ld);
spin_unlock_irqrestore(&ch->ch_lock, flags);
}