X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fv4l2-int-device.c;h=0e4549922f26df0bce6ea8a1c3ec4361c97408f5;hb=01c1e4ca8ec39d21be0cd9d1b300d479de97298a;hp=a643730fa3b29465525cbb8b8cc3346aa5337af9;hpb=261efd12fc291e6b3b42011201bfd011484ad90b;p=linux-2.6 diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c index a643730fa3..0e4549922f 100644 --- a/drivers/media/video/v4l2-int-device.c +++ b/drivers/media/video/v4l2-int-device.c @@ -34,21 +34,13 @@ static LIST_HEAD(int_list); static void v4l2_int_device_try_attach_all(void) { - struct list_head *head_master; - - list_for_each(head_master, &int_list) { - struct list_head *head_slave; - struct v4l2_int_device *m = - list_entry(head_master, struct v4l2_int_device, head); + struct v4l2_int_device *m, *s; + list_for_each_entry(m, &int_list, head) { if (m->type != v4l2_int_type_master) continue; - list_for_each(head_slave, &int_list) { - struct v4l2_int_device *s = - list_entry(head_slave, - struct v4l2_int_device, head); - + list_for_each_entry(s, &int_list, head) { if (s->type != v4l2_int_type_slave) continue; @@ -65,12 +57,12 @@ static void v4l2_int_device_try_attach_all(void) if (!try_module_get(m->module)) continue; - if (m->u.master->attach(m, s)) { + s->u.slave->master = m; + if (m->u.master->attach(s)) { + s->u.slave->master = NULL; module_put(m->module); continue; } - - s->u.slave->master = m; } } } @@ -143,24 +135,26 @@ static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd, static int no_such_ioctl_0(struct v4l2_int_device *d) { - return -EINVAL; + return -ENOIOCTLCMD; } int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd) { return ((v4l2_int_ioctl_func_0 *) find_ioctl(d->u.slave, cmd, - (v4l2_int_ioctl_func *)&no_such_ioctl_0))(d); + (v4l2_int_ioctl_func *)no_such_ioctl_0))(d); } static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg) { - return -EINVAL; + return -ENOIOCTLCMD; } int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg) { return ((v4l2_int_ioctl_func_1 *) find_ioctl(d->u.slave, cmd, - (v4l2_int_ioctl_func *)&no_such_ioctl_1))(d, arg); + (v4l2_int_ioctl_func *)no_such_ioctl_1))(d, arg); } + +MODULE_LICENSE("GPL");