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[poll] annotate SAA6588_CMD_POLL users 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-02-15 13:11:48 -05:00
parent 7928b2cbe5
commit 37b3c6a640
4 changed files with 7 additions and 6 deletions
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4
drivers/media/i2c/saa6588.c
View File

@ -411,9 +411,9 @@ static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
break;
/* --- poll() for /dev/radio --- */
case SAA6588_CMD_POLL:
a->result = 0;
a->poll_mask = 0;
if (s->data_available_for_read)
a->result |= EPOLLIN | EPOLLRDNORM;
a->poll_mask |= EPOLLIN | EPOLLRDNORM;
poll_wait(a->instance, &s->read_queue, a->event_list);
break;

4
drivers/media/pci/bt8xx/bttv-driver.c
View File

@ -3344,10 +3344,10 @@ static __poll_t radio_poll(struct file *file, poll_table *wait)
radio_enable(btv);
cmd.instance = file;
cmd.event_list = wait;
cmd.result = res;
cmd.poll_mask = res;
bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd);
return cmd.result;
return cmd.poll_mask;
}
static const struct v4l2_file_operations radio_fops =

4
drivers/media/pci/saa7134/saa7134-video.c
View File

@ -1235,12 +1235,12 @@ static __poll_t radio_poll(struct file *file, poll_table *wait)
cmd.instance = file;
cmd.event_list = wait;
cmd.result = 0;
cmd.poll_mask = 0;
mutex_lock(&dev->lock);
saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
mutex_unlock(&dev->lock);
return rc | cmd.result;
return rc | cmd.poll_mask;
}
/* ------------------------------------------------------------------ */

1
include/media/i2c/saa6588.h
View File

@ -32,6 +32,7 @@ struct saa6588_command {
unsigned char __user *buffer;
struct file *instance;
poll_table *event_list;
__poll_t poll_mask;
};
/* These ioctls are internal to the kernel */