mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-19 09:04:51 +08:00
V4L/DVB (9906): v4l2-compat: test for unlocked_ioctl as well.
The v4l_compat_ioctl32() function only tested for the presence of the ioctl op, not for unlocked_ioctl. So it would always return an error when used with drivers that use unlocked_ioctl instead of ioctl. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
8b21c1e90e
commit
3ca81a5525
@ -831,7 +831,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
int ret = -ENOIOCTLCMD;
|
||||
|
||||
if (!file->f_op->ioctl)
|
||||
if (!file->f_op->ioctl && !file->f_op->unlocked_ioctl)
|
||||
return ret;
|
||||
|
||||
switch (cmd) {
|
||||
|
Loading…
Reference in New Issue
Block a user