diff options
Diffstat (limited to 'sound/firewire/fireworks/fireworks_command.c')
| -rw-r--r-- | sound/firewire/fireworks/fireworks_command.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/sound/firewire/fireworks/fireworks_command.c b/sound/firewire/fireworks/fireworks_command.c index 94bab0476a65..2b595ee0bc35 100644 --- a/sound/firewire/fireworks/fireworks_command.c +++ b/sound/firewire/fireworks/fireworks_command.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * fireworks_command.c - a part of driver for Fireworks based devices * * Copyright (c) 2013-2014 Takashi Sakamoto - * - * Licensed under the terms of the GNU General Public License, version 2. */ #include "./fireworks.h" @@ -120,14 +119,14 @@ efw_transaction(struct snd_efw *efw, unsigned int category, return -ENOMEM; /* to keep consistency of sequence number */ - spin_lock(&efw->lock); - if ((efw->seqnum < KERNEL_SEQNUM_MIN) || - (efw->seqnum >= KERNEL_SEQNUM_MAX - 2)) - efw->seqnum = KERNEL_SEQNUM_MIN; - else - efw->seqnum += 2; - seqnum = efw->seqnum; - spin_unlock(&efw->lock); + scoped_guard(spinlock, &efw->lock) { + if ((efw->seqnum < KERNEL_SEQNUM_MIN) || + (efw->seqnum >= KERNEL_SEQNUM_MAX - 2)) + efw->seqnum = KERNEL_SEQNUM_MIN; + else + efw->seqnum += 2; + seqnum = efw->seqnum; + } /* fill transaction header fields */ cmd_bytes = sizeof(struct snd_efw_transaction) + param_bytes; |