]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/media/radio/radio-mr800.c
Documentation/kernel-parameters.txt: update 'isolcpus' kernel option
[linux-2.6-omap-h63xx.git] / drivers / media / radio / radio-mr800.c
index a33717c48003c8def8a0449e9f9a582732c6a5e9..256cbeffdcb6c274a80657fab1eb23f107e0b976 100644 (file)
@@ -469,16 +469,21 @@ 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;
 }