[media] lirc_dev: get irctl from irctls by inode again

Can't explain it (yet), but I've seen the 'get irctl via private_data'
setup fail for a number of people (ioctl called before its filled in?),
so lets go back to a variant of the old way, but one that still works
with unlocked_ioctl.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/IR/lirc_dev.c b/drivers/media/IR/lirc_dev.c
index 19a16ce..3eea373 100644 (file)
--- a/drivers/media/IR/lirc_dev.c
+++ b/drivers/media/IR/lirc_dev.c
@@ -432,7 +432,6 @@ int lirc_dev_fop_open(struct inode *inode, struct file *file)
                retval = -ENODEV;
                goto error;
        }
-       file->private_data = ir;
 
        dev_dbg(ir->d.dev, LOGHEAD "open called\n", ir->d.name, ir->d.minor);
 
@@ -528,7 +527,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        __u32 mode;
        int result = 0;
-       struct irctl *ir = file->private_data;
+       struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
 
        if (!ir) {
                printk(KERN_ERR "lirc_dev: %s: no irctl found!\n", __func__);