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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-14 07:40:45 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 08:47:16 -0300 |
| commit | 505d04bdc43a6a6c828835e90ab5fcb380d631d5 (patch) | |
| tree | 9530f5e321e979ef2ae8c905b852983382033b22 | |
| parent | 977ba3b1b73f24fae2d0c8bd59d7a4696f1e0ccc (diff) | |
| download | linux-3.10-505d04bdc43a6a6c828835e90ab5fcb380d631d5.tar.gz linux-3.10-505d04bdc43a6a6c828835e90ab5fcb380d631d5.tar.bz2 linux-3.10-505d04bdc43a6a6c828835e90ab5fcb380d631d5.zip | |
[media] v4l2-ioctl: simplify debug code
The core debug code can now be simplified since all the write-only ioctls are
now const and will not modify the data they pass to the drivers.
So instead of logging write-only ioctls before the driver is called this can
now be done afterwards, which is cleaner when it comes to error reporting as
well.
This also fixes a logic error in the debugging code where there was one 'else'
too many.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 936ca25bd5b..168b51e193c 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2155,11 +2155,6 @@ static long __video_do_ioctl(struct file *file, } write_only = _IOC_DIR(cmd) == _IOC_WRITE; - if (write_only && debug > V4L2_DEBUG_IOCTL) { - v4l_printk_ioctl(video_device_node_name(vfd), cmd); - pr_cont(": "); - info->debug(arg, write_only); - } if (info->flags & INFO_FL_STD) { typedef int (*vidioc_op)(struct file *file, void *fh, void *p); const void *p = vfd->ioctl_ops; @@ -2178,16 +2173,10 @@ static long __video_do_ioctl(struct file *file, done: if (debug) { - if (write_only && debug > V4L2_DEBUG_IOCTL) { - if (ret < 0) - printk(KERN_DEBUG "%s: error %ld\n", - video_device_node_name(vfd), ret); - return ret; - } v4l_printk_ioctl(video_device_node_name(vfd), cmd); if (ret < 0) - pr_cont(": error %ld\n", ret); - else if (debug == V4L2_DEBUG_IOCTL) + pr_cont(": error %ld", ret); + if (debug == V4L2_DEBUG_IOCTL) pr_cont("\n"); else if (_IOC_DIR(cmd) == _IOC_NONE) info->debug(arg, write_only); |