diff options
Diffstat (limited to 'drivers/media/cec/usb/rainshadow/rainshadow-cec.c')
| -rw-r--r-- | drivers/media/cec/usb/rainshadow/rainshadow-cec.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/cec/usb/rainshadow/rainshadow-cec.c b/drivers/media/cec/usb/rainshadow/rainshadow-cec.c index ee870ea1a886..08f58456d682 100644 --- a/drivers/media/cec/usb/rainshadow/rainshadow-cec.c +++ b/drivers/media/cec/usb/rainshadow/rainshadow-cec.c @@ -2,7 +2,7 @@ /* * RainShadow Tech HDMI CEC driver * - * Copyright 2016 Hans Verkuil <hverkuil@xs4all.nl + * Copyright 2016 Hans Verkuil <hverkuil@kernel.org> */ /* @@ -31,7 +31,7 @@ #include <media/cec.h> -MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>"); +MODULE_AUTHOR("Hans Verkuil <hverkuil@kernel.org>"); MODULE_DESCRIPTION("RainShadow Tech HDMI CEC driver"); MODULE_LICENSE("GPL"); @@ -171,11 +171,12 @@ static irqreturn_t rain_interrupt(struct serio *serio, unsigned char data, { struct rain *rain = serio_get_drvdata(serio); + spin_lock(&rain->buf_lock); if (rain->buf_len == DATA_SIZE) { + spin_unlock(&rain->buf_lock); dev_warn_once(rain->dev, "buffer overflow\n"); return IRQ_HANDLED; } - spin_lock(&rain->buf_lock); rain->buf_len++; rain->buf[rain->buf_wr_idx] = data; rain->buf_wr_idx = (rain->buf_wr_idx + 1) & 0xff; |