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| author |   Andrew Duggan <aduggan@synaptics.com> | 2012-11-27 19:02:27 -0800 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2012-11-28 16:36:18 +0100 |
| commit | b5531318f18b5054c0e4a82beb560a77d85948d8 (patch) | |
| tree | 6c84c9721fc8a52416a644dba5e81e8faad4cbf7 /drivers | |
| parent | HID: hidraw: fix nonblock read return EAGAIN after device removed (diff) | |
| download | linux-dev-b5531318f18b5054c0e4a82beb560a77d85948d8.tar.xz linux-dev-b5531318f18b5054c0e4a82beb560a77d85948d8.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/hidraw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 1d8c0219117e..413a73187d33 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -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 |