From 7681262f35ef9d10b8389c719207aa55a357b4c0 Mon Sep 17 00:00:00 2001 From: Douglas Schilling Landgraf Date: Mon, 20 Oct 2008 00:56:23 -0200 Subject: radio-mr800: Add BKL for usb_amradio_open() From: Alexey Klimov Added BKL for usb_amradio_open() Priority: high Signed-off-by: Alexey Klimov Signed-off-by: Douglas Schilling Landgraf --- linux/drivers/media/radio/radio-mr800.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'linux/drivers/media/radio/radio-mr800.c') diff --git a/linux/drivers/media/radio/radio-mr800.c b/linux/drivers/media/radio/radio-mr800.c index 2ae8e1447..5941127a5 100644 --- a/linux/drivers/media/radio/radio-mr800.c +++ b/linux/drivers/media/radio/radio-mr800.c @@ -472,16 +472,21 @@ static int usb_amradio_open(struct inode *inode, struct file *file) { struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + lock_kernel(); + radio->users = 1; radio->muted = 1; if (amradio_start(radio) < 0) { warn("Radio did not start up properly"); radio->users = 0; + unlock_kernel(); return -EIO; } if (amradio_setfreq(radio, radio->curfreq) < 0) warn("Set frequency failed"); + + unlock_kernel(); return 0; } -- cgit v1.2.3