diff options
| author | Jaedon Shin <jaedon.shin@gmail.com> | 2017-12-01 07:31:29 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-13 08:57:08 -0500 |
| commit | c2dfd2276cec63a0c6f6ce18ed83800d96fde542 (patch) | |
| tree | 3e759e8adcf9830582f6296b70479f63518e8767 /drivers/media/dvb-core | |
| parent | a2282fd1fe2ebcda480426dbfaaa7c4e87e27399 (diff) | |
media: dvb_frontend: Add compat_ioctl callback
Adds compat_ioctl for 32-bit user space applications on a 64-bit system.
[m.chehab@osg.samsung.com: add missing include compat.h]
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/dvb-core')
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 8f07b623070c..130e9d225536 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -40,6 +40,7 @@ #include <linux/jiffies.h> #include <linux/kthread.h> #include <linux/ktime.h> +#include <linux/compat.h> #include <asm/processor.h> #include "dvb_frontend.h" @@ -1977,6 +1978,14 @@ static long dvb_frontend_ioctl(struct file *file, unsigned int cmd, return dvb_usercopy(file, cmd, arg, dvb_frontend_do_ioctl); } +#ifdef CONFIG_COMPAT +static long dvb_frontend_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + return dvb_frontend_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); +} +#endif + static int dtv_set_frontend(struct dvb_frontend *fe) { struct dvb_frontend_private *fepriv = fe->frontend_priv; @@ -2661,6 +2670,9 @@ static int dvb_frontend_release(struct inode *inode, struct file *file) static const struct file_operations dvb_frontend_fops = { .owner = THIS_MODULE, .unlocked_ioctl = dvb_frontend_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = dvb_frontend_compat_ioctl, +#endif .poll = dvb_frontend_poll, .open = dvb_frontend_open, .release = dvb_frontend_release, |