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authorJaedon Shin <jaedon.shin@gmail.com>2017-12-01 07:31:29 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-13 08:57:08 -0500
commitc2dfd2276cec63a0c6f6ce18ed83800d96fde542 (patch)
tree3e759e8adcf9830582f6296b70479f63518e8767
parenta2282fd1fe2ebcda480426dbfaaa7c4e87e27399 (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>
-rw-r--r--drivers/media/dvb-core/dvb_frontend.c12
-rw-r--r--fs/compat_ioctl.c17
2 files changed, 12 insertions, 17 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,
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 5fc5dc660600..9a1fe60cce9a 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1218,23 +1218,6 @@ COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
COMPATIBLE_IOCTL(DMX_GET_STC)
-COMPATIBLE_IOCTL(FE_GET_INFO)
-COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
-COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
-COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
-COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
-COMPATIBLE_IOCTL(FE_SET_TONE)
-COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
-COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
-COMPATIBLE_IOCTL(FE_READ_STATUS)
-COMPATIBLE_IOCTL(FE_READ_BER)
-COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
-COMPATIBLE_IOCTL(FE_READ_SNR)
-COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
-COMPATIBLE_IOCTL(FE_SET_FRONTEND)
-COMPATIBLE_IOCTL(FE_GET_FRONTEND)
-COMPATIBLE_IOCTL(FE_GET_EVENT)
-COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
COMPATIBLE_IOCTL(VIDEO_STOP)
COMPATIBLE_IOCTL(VIDEO_PLAY)
COMPATIBLE_IOCTL(VIDEO_FREEZE)

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