dvb: Push down BKL into ioctl functions

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-core / dvb_frontend.c

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 55ea260572bf576319fe5a299f5e19341bcf0df1..5450d1f7a53841b0d04fd1f14595e8803683cd5d 100644 (file)
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -36,6 +36,7 @@
 #include <linux/list.h>
 #include <linux/freezer.h>
 #include <linux/jiffies.h>
+#include <linux/smp_lock.h>
 #include <linux/kthread.h>
 #include <asm/processor.h>
 
@@ -1188,14 +1189,14 @@ static void dtv_property_cache_submit(struct dvb_frontend *fe)
        }
 }
 
-static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_legacy(struct file *file,
                        unsigned int cmd, void *parg);
-static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_properties(struct file *file,
                        unsigned int cmd, void *parg);
 
 static int dtv_property_process_get(struct dvb_frontend *fe,
                                    struct dtv_property *tvp,
-                                   struct inode *inode, struct file *file)
+                                   struct file *file)
 {
        int r = 0;
 
@@ -1328,7 +1329,6 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
 
 static int dtv_property_process_set(struct dvb_frontend *fe,
                                    struct dtv_property *tvp,
-                                   struct inode *inode,
                                    struct file *file)
 {
        int r = 0;
@@ -1359,7 +1359,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
                dprintk("%s() Finalised property cache\n", __func__);
                dtv_property_cache_submit(fe);
 
-               r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND,
+               r |= dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
                        &fepriv->parameters);
                break;
        case DTV_FREQUENCY:
@@ -1391,12 +1391,12 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
                break;
        case DTV_VOLTAGE:
                fe->dtv_property_cache.voltage = tvp->u.data;
-               r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE,
+               r = dvb_frontend_ioctl_legacy(file, FE_SET_VOLTAGE,
                        (void *)fe->dtv_property_cache.voltage);
                break;
        case DTV_TONE:
                fe->dtv_property_cache.sectone = tvp->u.data;
-               r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE,
+               r = dvb_frontend_ioctl_legacy(file, FE_SET_TONE,
                        (void *)fe->dtv_property_cache.sectone);
                break;
        case DTV_CODE_RATE_HP:
@@ -1480,7 +1480,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
        return r;
 }
 
-static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl(struct file *file,
                        unsigned int cmd, void *parg)
 {
        struct dvb_device *dvbdev = file->private_data;
@@ -1502,17 +1502,17 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
                return -ERESTARTSYS;
 
        if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
-               err = dvb_frontend_ioctl_properties(inode, file, cmd, parg);
+               err = dvb_frontend_ioctl_properties(file, cmd, parg);
        else {
                fe->dtv_property_cache.state = DTV_UNDEFINED;
-               err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg);
+               err = dvb_frontend_ioctl_legacy(file, cmd, parg);
        }
 
        up(&fepriv->sem);
        return err;
 }
 
-static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_properties(struct file *file,
                        unsigned int cmd, void *parg)
 {
        struct dvb_device *dvbdev = file->private_data;
@@ -1548,7 +1548,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
                }
 
                for (i = 0; i < tvps->num; i++) {
-                       (tvp + i)->result = dtv_property_process_set(fe, tvp + i, inode, file);
+                       (tvp + i)->result = dtv_property_process_set(fe, tvp + i, file);
                        err |= (tvp + i)->result;
                }
 
@@ -1580,7 +1580,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
                }
 
                for (i = 0; i < tvps->num; i++) {
-                       (tvp + i)->result = dtv_property_process_get(fe, tvp + i, inode, file);
+                       (tvp + i)->result = dtv_property_process_get(fe, tvp + i, file);
                        err |= (tvp + i)->result;
                }
 
@@ -1597,7 +1597,7 @@ out:
        return err;
 }
 
-static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
+static int dvb_frontend_ioctl_legacy(struct file *file,
                        unsigned int cmd, void *parg)
 {
        struct dvb_device *dvbdev = file->private_data;
@@ -2022,7 +2022,7 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
 
 static const struct file_operations dvb_frontend_fops = {
        .owner          = THIS_MODULE,
-       .ioctl          = dvb_generic_ioctl,
+       .unlocked_ioctl = dvb_generic_ioctl,
        .poll           = dvb_frontend_poll,
        .open           = dvb_frontend_open,
        .release        = dvb_frontend_release