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HID: hidraw: fix signaling SIGIO when hidraw reports an event 

This patch fixes sending SIGIO from hidraw_report_event by creating a fasync
handler which adds the fasync entry.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Andrew Duggan 2012-11-27 19:02:27 -08:00 committed by Jiri Kosina
parent 7611e8d26d
commit b5531318f1
1 changed files with 8 additions and 0 deletions
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8
drivers/hid/hidraw.c
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@ -295,6 +295,13 @@ out:
}
static int hidraw_fasync(int fd, struct file *file, int on)
{
struct hidraw_list *list = file->private_data;
return fasync_helper(fd, file, on, &list->fasync);
}
static int hidraw_release(struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
@ -438,6 +445,7 @@ static const struct file_operations hidraw_ops = {
.open = hidraw_open,
.release = hidraw_release,
.unlocked_ioctl = hidraw_ioctl,
.fasync = hidraw_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = hidraw_ioctl,
#endif