[PATCH 2.6.15-rc5] media/video/bttv : enhance ioctl debug

From: Philippe De Muyter
Date: Thu Dec 08 2005 - 16:05:23 EST


This patch adds the current process name in the media/video/bttv ioctl debug.

Signed-off-by: Philippe De Muyter <phdm@xxxxxxxxx>

---

--- linux/drivers/media/video/bttv-driver.c.orig 2005-08-29 01:41:01.000000000 +0200
+++ linux/drivers/media/video/bttv-driver.c 2005-12-08 20:59:45.000000000 +0100
@@ -2181,19 +2182,19 @@ static int bttv_do_ioctl(struct inode *i
int retval = 0;

if (bttv_debug > 1) {
+ printk("bttv%d: %s: ioctl 0x%x ", btv->c.nr, current->comm,
+ cmd);
switch (_IOC_TYPE(cmd)) {
case 'v':
- printk("bttv%d: ioctl 0x%x (v4l1, VIDIOC%s)\n",
- btv->c.nr, cmd, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
+ printk("(v4l1, VIDIOC%s)\n",
+ (_IOC_NR(cmd) < V4L1_IOCTLS) ?
v4l1_ioctls[_IOC_NR(cmd)] : "???");
break;
case 'V':
- printk("bttv%d: ioctl 0x%x (v4l2, %s)\n",
- btv->c.nr, cmd, v4l2_ioctl_names[_IOC_NR(cmd)]);
+ printk("(v4l2, %s)\n", v4l2_ioctl_names[_IOC_NR(cmd)]);
break;
default:
- printk("bttv%d: ioctl 0x%x (???)\n",
- btv->c.nr, cmd);
+ printk("(???)\n");
}
}
if (btv->errors)
-
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