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>
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 1d8c021..413a731 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -295,6 +295,13 @@
}
+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 @@
.open = hidraw_open,
.release = hidraw_release,
.unlocked_ioctl = hidraw_ioctl,
+ .fasync = hidraw_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = hidraw_ioctl,
#endif
